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Research Article
Aquatic dance flies (Diptera, Empididae, Clinocerinae and Hemerodromiinae) of Greece: species richness, distribution and description of five new species
expand article infoMarija Ivković, Josipa Ćevid§, Bogdan Horvat|, Bradley J. Sinclair
‡ University of Zagreb, Zagreb, Croatia
§ Unaffiliated, Drniš, Croatia
| Slovenian Museum of Natural History, Ljubljana, Slovenia
¶ Canadian Food Inspection Agency, Ottawa, Canada
† Deceased author
Open Access

Abstract

All records of aquatic dance flies (37 species in subfamily Clinocerinae and 10 species in subfamily Hemerodromiinae) from the territory of Greece are summarized, including previously unpublished data and data on five newly described species (Chelifera horvati Ivković & Sinclair, sp. n., Wiedemannia iphigeniae Ivković & Sinclair, sp. n., W. ljerkae Ivković & Sinclair, sp. n., W. nebulosa Ivković & Sinclair, sp. n. and W. pseudoberthelemyi Ivković & Sinclair, sp. n.). The new species are described and illustrated, the male terminalia of Clinocera megalatlantica (Vaillant) are illustrated and the distributions of all species within Greece are listed. The aquatic Empididae fauna of Greece consists of 47 species, with the following described species reported for the first time: Chelifera angusta Collin, Hemerodromia melangyna Collin, Clinocera megalatlantica, Kowarzia plectrum (Mik), Phaeobalia dimidiata (Loew), W. (Chamaedipsia) beckeri (Mik), W. (Philolutra) angelieri Vaillant and W. (P.) chvali Joost. A key to species of aquatic Empididae of Greece is provided for the first time. Information related to the European Ecoregions in which species were found is given. Compared to the other studied countries in the Balkans, the Greek species assemblage is most similar to that of the Former Yugoslav Republic of Macedonia.

Keywords

Clinocerinae, Hemerodromiinae, new species, key to species, faunistics, European Ecoregions, Greece

Introduction

The aquatic dance flies of the family Empididae (Diptera) comprise the subfamilies Clinocerinae and Hemerodromiinae. Larvae mostly live in aquatic habitats and both larvae and adults are predators, primarily feeding on Simuliidae (Vaillant 1952, 1953, Werner and Pont 2003) and Chironomidae (Vaillant 1967, Harkrider 2000, Ivković et al. 2007). Adult Hemerodromiinae are distinguished by raptorial forelegs and live and hunt in riparian vegetation. On the other hand, adult Clinocerinae are primarily found on the surface of emergent wet stones or in moss mats (Wagner 1997, Ivković et al. 2007).

The aquatic dance fly fauna of Greece has been sporadically investigated during the last few decades. The first records were noted by Vaillant and Wagner (1990), Wagner (1981, 1990, 1995), Wagner and Horvat (1993), and recently by Ivković et al. (2012).

Distribution and diversity studies are of immense importance in studying factors that influence and determine diversity hotspots (Ivković and Plant 2015, Schmidt-Kloiber et al. 2017). The present paper is based on detailed analysis of all publications on Greek aquatic dance flies known to the authors. The authors have also contributed additional records of Greek aquatic dance flies resulting from the examination of specimens collected by colleagues who surveyed 258 sites sampled in the late 1980s and early 1990s. In addition, one new species of Chelifera Macquart and four new species of Wiedemannia Zetterstedt are herein described.

Material and methods

Specimen records. This paper is based on a review of the literature, and primarily on unpublished data and specimens from Bogdan Horvat’s study of the aquatic dance fly fauna of Greece. Wherever possible, each literature record and specimen record was georeferenced as precisely as possible using ArcGIS software. The names of taxa reflect current nomenclature and classifications (Sinclair 1995, Yang et al. 2007). The literature used for identifications included Engel (1939, 1940), Vaillant and Wagner (1990), Wagner (1981, 1990, 1995), Wagner and Horvat (1993) and Ivković et al. (2012). Locality records are listed for each species. A list of locality names including latitude, longitude, altitude and number codes (site ID) for the localities is presented in Table 1 and a map showing the locations of all the georeferenced sites is also provided (Fig. 1). Specimens were collected using sweep nets and by aspirator. They were preserved in 80% ethanol (EtOH). For the purpose of determination, male terminalia were dissected, boiled in 10% KOH and afterwards neutralized with acetic acid, rinsed in water and identified to species level; or they were macerated in hot 85% lactic acid and stored in 80% ethanol along with the remaining body parts in the same tube. In the genitalia illustrations, only the sockets of the setae are shown on the epandrium; the setae are not drawn. All specimens listed in the material examined sections were collected by Bogdan Horvat, Ignac Sivec, Hans Malicky and Reinhard Gerecke. Taxonomic diversity is considered at the level of subfamily, genus, subgenus and species. The European Ecoregions are those of Limnofauna Europaea (Illies 1978), where they are defined at a large European scale and based on the biogeography of aquatic macroinvertebrates.

Figure 1. 

Sampling sites of aquatic Empididae recorded from Greece (see Table 1 for codes).

List of sampling sites in Greece. European Ecoregions are taken from Illies (1978): Hellenic Western Balkan (6) and Eastern Balkan (7).

Site ID Site name Latitude / Longitude Altitude (m) Ecoregion
1 Thrace, E of Mega Derio N41°13'10", E26°03'03" 200 7
2 Thrace, W of Mega Derio N41°11'29", E25°57'30" 710 7
3 Thrace, Lesitse Mts. N41°07'28", E25°57'04" 760 7
4 Thrace, E of Sapka Mts., big stream in the valley N41°08', E25°57' 600 7
5 Thrace, N of Avas N41°00'07", E25°55'36" 200 7
6 Thrace, Sapka Mts. 1 N41°09'56", E25°55'17" 735 7
7 Thrace, 3 km N of Alexandroupoli N40°54', E25°55' 100 7
8 Thrace, Sapka Mts. 2 N41°11'02", E25°54'40" 545 7
9 Thrace, Sapka Mts., Nea Sanda 1 N41°07'02", E25°50'02" 200 7
10 Thrace, Sapka Mts., Nea Sanda 2 N41°07'06", E25°49'43" 220 7
11 Thrace, Anatoliki Rodopi, E od Drimi N41°13'26", E25°35'35" 240 7
12 Thrace, Anatoliki Rodopi, Drimi N41°12'52", E25°34'34" 180 7
13 Thrace, Anatoliki Rodopi, E of Gratini 1 N41°10'10", E25°34'29" 100 7
14 Thrace, Anatoliki Rodopi, E of Gratini 2 N41°10'10", E25°34'29" 160 7
15 Thrace, Samothrace, hygropetric at the church of Kreminotissa N40°25', E25°34' 400 7
16 Thrace, Miki N41°14', E24°55' 340 7
17 Thrace, 8 km N of Sminthi N41°14'49", E24°51'44" 300 7
18 Thrace, N of Xanthi N41°11'39", E24°51'08" 200 7
19 Thrace, N of Dipotama 1 N41°24'28", E24°40'10" 1430 7
20 Thrace, N of Dipotama 2 N41°24'50", E24°38'51" 1310 7
21 Thrace, Dit. Rodopi, N of Dipotama 1 N41°25'07", E24°38'22" 1290 7
22 Thrace, N of Dipotama 3 N41°23'53", E24°38'06" 1030 7
23 Thrace, N of Dipotama 4 N41°24'47", E24°37'56" 1340 7
24 Thrace, N of Dipotama 5 N41°24'24", E24°37'19" 1400 7
25 Thrace, Dit. Rodopi, N of Dipotama 2 N41°23', E24°37' 1000 7
26 Thrace, Dit. Rodopi, N of Dipotama 3 N41°24'14", E24°36'45" 1415 7
27 Thrace, S of Dipotama N41°21'22", E24°36'20" 440 7
28 Thrace, S of Silli N41°20'40", E24°33'50" 315 7
29 Thrace, Rodopi, Skaloti N41°24', E24°17' 1090 7
30 Thrace, Rodopi 1 N41°33'00", E24°16'25" 1400 7
31 Thrace, N of Sidironero 1 N41°26'42", E24°14'46" 930 7
32 Thrace, Rodopi 2 N41°28'48", E24°14'40" 945 7
33 Thrace, N of Sidironero 2 N41°22'50", E24°13'04" 910 7
34 Thrace, W of Sidironero N41°23'13", E24°12'03" 500 7
35 Thrace, Rodopi, E of Mikromilia N41°25'22", E24°10'04" 670 7
36 Thrace Unspecified 7
37 Macedonia, Dit. Rodopi, Elatia forest N41°29', E24°19' 1450 7
38 Macedonia, E of Mikroklisoura N41°23'14", E24°03'48" 370 7
39 Macedonia, N of Stavros N40°40', E23°39' 100 7
40 Macedonia, R. Mavroneri, 10 km W of Katerini N40°11', E22°24' 160 6
41 Macedonia, Olympus Mts. above Agios Dyonysos, Prionia N40°04', E22°22' 1050–1700 6
42 Macedonia, Pieria Mts., 2 streams on Ritini N40°17', E22°16' 800 6
43 Macedonia, N of Agios Dimitrios N40°10', E22°16' 660 6
44 Macedonia, Pieria Mts., S of Elatohori N40°15', E22°15' 1010 6
45 Macedonia, S of Agios Dimitrios N40°08'37", E22°13'07" 860 6
46 Macedonia, Pieria Mts., E of Fteri N40°11'52", E22°12'42" 840 6
47 Macedonia, Pieria Mts., Fteri N40°11', E22°09' 1080 6
48 Macedonia, Pieria Mts., W of Fteri N40°11'49", E22°08'20" 1440 6
49 Macedonia, W of Daskio N40°19'32", E22°08'14" 460 6
50 Macedonia, Pieria Mts., E of Velventos N40°14'05", E22°07'51" 1330 6
51 Macedonia, Pieria Mts., 1 N40°10'35", E22°06'54" 1500 6
52 Macedonia, Pieria Mts., 2 N40°13'42", E22°06'37" 1270 6
53 Macedonia, Pieria Mts., 3 N40°11'35", E22°05'31" 1480 6
54 Macedonia, E of Velventos N40°16'54", E22°05'11" 420 6
55 Macedonia, Phalacro Mts., N of Livadero N40°03', E21°53' 690 6
56 Macedonia, Grevena, Milea N40°08', E21°31' 480 6
57 Macedonia, Grevena, 6 km S of Milea N40°07', E21°30' 470 6
58 Macedonia, Grevena, stream S of R. Aliakmon by Kamilas Pigi N40°02', E21°27' 600 6
59 Macedonia, Kozani, Polilako (Paraveti), Neapolis N40°18', E21°25' 550 6
60 Macedonia, Grevena, R. Venetikos, Kipourio N39°59', E21°22' 500 6
61 Macedonia, Vernon, influx of Aliakmon between Gavros and Aposkepos N40°39', E21°11' 450 6
62 Macedonia, Kastoria, Nestorio N40°24', E21°04' 800 6
63 Macedonia, Smokilas Mts., main stream near the bridge, 2 km E of Agia Paraskevi N40°08', E21°00' 1100 6
64 Macedonia, Kastoria, Grammos Mts., 7 km S Chrisi N40°14', E20°52' 650 6
65 Macedonia, Kastoria, Grammos Mts., 6 km N Pefkofito N40°19', E20°50' 1500 6
66 Macedonia, Chalkidiki, Chlomon Oros., Paleokastron, Vatonia P. 1 Unspecified 550 /
67 Macedonia, Chalkidiki, Chlomon Oros., Paleokastron, Vatonia P. 2 Unspecified 1500 /
68 Macedonia, Chalkidiki, Chlomon Oros., valley on the southern slope Unspecified 650 /
69 Macedonia, Xanthi, NE Pass Str. Xanthi-Stavroupolis Unspecified 800 7
70 Thessaly, Portaria N39°23', E23°01' 700 6
71 Thessaly, Ossa Mts., stream Apataniana N39°50', E22°42' 1200 6
72 Thessaly, Karya N40°00', E22°26' 750–800 6
73 Thessaly, S of Kallithea N39°58'35", E22°12'49" 510 6
74 Thessaly, Pieria Mts., S of Livadi N40°06'20", E22°10'11" 800 6
75 Thessaly, 5 km W of Palea Giannitsou N39°03', E22°01' 500 6
76 Thessaly, Deskati N39°56'53", E21°54'30" 690 6
77 Thessaly, Trikala, Longiai N39°34', E21°45' 100 6
78 Thessaly, S of Asprokklisia N39°49'56", E21°42'48" 500 6
79 Thessaly, Trikala, Moshofito, Avra N39°42', E21°42' 200 6
80 Thessaly, Kalambaka, Agios Nikolaos N39°43', E21°35' 200 6
81 Thessaly, Trikala, Stournareika N39°26', E21°31' 400 6
82 Thessaly, Trikala, Kato Palagokaria N39°25', E21°30' 600 6
83 Thessaly, Kalambaka, 5 km E of Paleochori N39°37', E21°28' 600 6
84 Thessaly, Kalambaka, Paleochori N39°36', E21°25' 1000 6
85 Thessaly, Kalambaka, Trigona N39°46', E21°24' 400 6
86 Thessaly, Kalambaka, Koridallos N39°46', E21°22' 450 6
87 Thessaly, Trikala, Arta, Pahtouri N39°27', E21°16' 600 6
88 Thessaly, Trikala, Arta, R. Ahelos, Kapsala N39°22', E21°16' 500 6
89 Thessaly, Trikala, Arta, Korifi N39°25', E21°15' 600 6
90 Thessaly, Trikala, 9 km S of Chrisomilea Unspecified 6
91 Thessaly, Kalambaka, 4 km S of Ambelia Unspecified 6
92 Epirus, Metsovo, 14 km S of Milea N39°44', E21°17' 900 6
93 Epirus, Metsovo, Lakmos Mts., Anilio (5 km S bellow river) N39°43', E21°16' 1300 6
94 Epirus, Pindus Mts., Metsovo, meadow source easthang N39°46', E21°12' 1350 6
95 Epirus, N of Katarapass, 1 km SW Milea N39°50', E21°11' 1300 6
96 Epirus, Metsovo, Katara Pass N39°48', E21°10' 1350 6
97 Epirus, Metsovo, Lakmos Mts., 2 km S of Anilio (bellow left tributary) N39°44', E21°10' 840 6
98 Epirus, Metsovo, 12 km W Milea N39°51', E21°09' 1250 6
99 Epirus, Metsovo, R. Metsovitikos N39°44', E21°09' 800 6
100 Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) N39°44', E21°08' 780 6
101 Epirus, Lakmos Mts., 10 km S of Anilio N39°36', E21°07' 1150 6
102 Epirus, Metsovo, Lakmos Mts., Anilio (15 km S influx) N39°33', E21°06' 500 6
103 Epirus, Metsovo, 14 km W of Milea N39°55', E21°03' 1000 6
104 Epirus, Ioannina, Megalo Peristeri N39°44', E21°03' 600 6
105 Epirus, Xerovouni Mts., Plaka, R. Arachthos, u. Agnatha N39°20', E21°02' 200 6
106 Epirus, Ioannina, R. Zagoritikos, Karies N39°44', E20°56' 500 6
107 Epirus, Konitsa, Smolikas Mts., Pournia N40°08', E20°54' 1100 6
108 Epirus, Konitsa, R. Saradaporos, Drosopigi N40°08', E20°53' 900 6
109 Epirus, Konitsa, Asimohori N40°02', E20°44' 450 6
110 Epirus, 10 km N of Louros N39°14'22", E20°42'05" 200 6
111 Epirus, S of Seriziana N39°17'07", E20°41'37" 200 6
112 Epirus, Ioannina, R. Voidomatis, Aristi N39°56', E20°41' 400 6
113 Epirus, Preveza, Zalongu, stream 2 km E of Mirsini N39°07', E20°39' 180 6
114 Epirus, W of Kriopigi N39°09'30", E20°38'18" 170 6
115 Epirus, R. Aheron, N of Gliki N39°21'34", E20°37'52" 200 6
116 Epirus, Kanallaki, Skepaston N39°13', E20°37' 100 6
117 Epirus, Mirsini N39°08', E20°37' 120 6
118 Epirus, R. Aheron, Gliki N39°19', E20°36' 50 6
119 Epirus, R. Kokitos, W of Gardiki N39°21', E20°33' 50 6
120 Epirus, R. Kokitos, Themelo N39°15', E20°31' 40 6
121 Epirus, Igoumenitsa, Thesprotia, R. Thiamis, Neohori N39°31', E20°22' 30 6
122 Epirus, Igoumenitsa, R. Thiamis, Soulopoulo N39°33', E20°12' 5 6
123 Epirus, Ioannina, R. Vardas, Abelos Unspecified 6
124 Epirus, Ioannina, Balndouma Unspecified 6
125 North Aegean islands, Samos, below Manolates N37°47', E26°49' 160 6
126 North Aegean islands, Samos, E of Pirgos N37°43', E26°49' 300 6
127 North Aegean islands, Lesbos, 7 km E of Plomari N38°59', E26°26' 110 6
128 North Aegean islands, Lesbos, 1 km W of Ippion N39°08', E26°24' 70 6
129 North Aegean islands, Lesbos, 1 km SW of Megalochori N39°01', E26°21' 280 6
130 North Aegean islands, Lesbos, 3 km NW of Agiasos N39°06', E26°20' 320 6
131 North Aegean islands, Lesbos, 4 km W of Agiasos N39°06', E26°20' 400 6
132 North Aegean islands, Lesbos, 2 km N of Akrassi N39°03', E26°19' 370 6
133 North Aegean islands, Lesbos, S of Neochorion N39°01', E26°19' 270 6
134 North Aegean islands, Lesbos, Ambeliko N39°04', E26°18' 340 6
135 North Aegean islands, Lesbos, E of Lepetimnos N39°22', E26°16' 330 6
136 North Aegean islands, Icaria, W of Chrisostomos N37°35', E26°13' 270 6
137 North Aegean islands, Chios, 2 km N of Fita N38°32', E26°00' 510 6
138 North Aegean islands, Chios, N of Keramos N38°34', E25°56' 60 6
139 North Aegean islands, Chios, 5 km N of Pirama N38°32', E25°54' 170 6
140 North Aegean islands, Icaria Unspecified 6
141 North Aegean islands, Lesbos Unspecified 6
142 Central Greece, Euboea, S of Komiton N38°30', E24°00' 540 6
143 Central Greece, Euboea, Steni Dirfyos (former Ano Steni) N38°35', E23°49' 550 6
144 Central Greece, Polydrosos N38°36', E22°34' 1060–1250 6
145 Central Greece, Etolia, Lamia, Ieraklia N38°49', E22°26' 25 6
146 Central Greece, Parnassus Mts., above Polydrosos N38°33', E22°26' 1000 6
147 Central Greece, Oeta Mts., between Kastanea and Katafygio N38°50', E22°17' 1400 6
148 Central Greece, Etolia, Vardousia Mts., Stromi N38°42', E22°15' 820 6
149 Central Greece, Etolia, Vardousia Mts., Mousonitsa N38°41', E22°12' 650 6
150 Central Greece, Etolia, Vardousia Mts., Athanasios Diakos N38°42', E22°11' 830 6
151 Central Greece, Etolia, Vardousia Mts., Paleovraha N38°55', E22°04' 170 6
152 Central Greece, Etolia, Nafpaktos, 9 km S of Krokilio N38°28', E22°04' 1000 6
153 Central Greece, Etolia, Vardousia Mts., 5 km N of Grammeni Oxia N38°45', E22°00' 1150 6
154 Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia N38°43', E22°00' 800 6
155 Central Greece, Etolia, Vardousia Mts., 9 km N of Grammeni Oxia N38°47', E21°59' 1050 6
156 Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia N38°46', E21°59' 1400 6
157 Central Greece, Etolia, Vardousia Mts., 7 km S of Gardiki N38°45', E21°59' 1300 6
158 Central Greece, Etolia, Vardousia Mts., Terpsithea N38°33', E21°59' 570 6
159 Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa N38°30', E21°59' 200 6
160 Central Greece, Etolia, Vardousia Mts., Elatovrisi N38°39', E21°58' 750 6
161 Central Greece, Etolia, Vardousia Mts., Elato N38°35', E21°58' 1000 6
162 Central Greece, Etolia, Vardousia Mts., 6 km S of Lefkada N38°52', E21°57' 500 6
163 Central Greece, Etolia, Vardousia Mts., Gardiki N38°51', E21°57' 580 6
164 Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki N38°43', E21°57' 700 6
165 Central Greece, Etolia, Vardousia Mts., Pougkakia N38°51', E21°56' 600 6
166 Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki N38°49', E21°56' 1100 6
167 Central Greece, Etolia, Vardousia Mts., Grigorio N38°38', E21°56' 1400 6
168 Central Greece, Tymfristos Mts., R. Sperhios, Lamia N38°54', E21°55' 550 6
169 Central Greece, Etolia, Vardousia Mts., Ano Chora N38°36', E21°55' 700 6
170 Central Greece, Etolia, Panaitoliko Mts., Klepa N38°41', E21°54' 700 6
171 Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa N38°40', E21°54' 500 6
172 Central Greece, Etolia, Vardousia Mts., 3 km W of Kryoneri N38°38', E21°54' 1100 6
173 Central Greece, Etolia, Vardousia Mts., Kato Chora N38°36', E21°53' 600 6
174 Central Greece, Etolia, Nafpaktos, Anthofito N38°28', E21°52' 100 6
175 Central Greece, Karpenisi, Agios Nikolaos N38°53', E21°51' 1000 6
176 Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista N38°35', E21°51' 460 6
177 Central Greece, Etolia, R. Mornos, Nafpaktos N38°23', E21°51' 10 6
178 Central Greece, Etolia, Agrinio, Panaitoliko Mts., R. Evinos, Agios Dimitros N38°39', E21°49' 400 6
179 Central Greece, Etolia, Nafpaktos, 2 km N of Pokista N38°34', E21°48' 350 6
180 Central Greece, Etolia, Nafpaktos, Simos N38°30', E21°48' 350 6
181 Central Greece, Etolia, Nafpaktos, Pokista N38°34', E21°47' 370 6
182 Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos N38°38', E21°45' 300 6
183 Central Greece, Etolia, Agrinio, R. Evinos, Kato Hrisovitsa, Diasellaki N38°34', E21°43' 230 6
184 Central Greece, Panaitoliko Mts., R. Tavropos, Kalesmeno N38°56', E21°40' 300 6
185 Central Greece, Etolia, Agrinio, Panaitoliko Mts. R. Trikeriotis, Dermatio N38°47', E21°40' 400 6
186 Central Greece, Etolia, Panaitoliko Mts., Prousos N38°44', E21°39' 660 6
187 Central Greece, Etolia, Panaitoliko Mts., Chaliki, Ladikon N38°41', E21°39' 900 6
188 Central Greece, Etolia, Panaitoliko Mts., Chaliki, Nerosirtis N38°40', E21°39' 750 6
189 Central Greece, Etolia, Agrinio, Panaitoliko Mts., Anatoliki Frangista N38°56', E21°37' 800 6
190 Central Greece, Etolia, Agrinio, Panaitoliko Mts., Potamoula N38°44', E21°26' 200 6
191 Central Greece, Etolia, Agrinio, Agia Soufia N38°36', E21°26' 100 6
192 Central Greece, Etolia, Lamia, Pavliani N38°44', E21°21' 100 6
193 Central Greece, Etolia, Agrinio, Panaitoliko Mts., Megali Chora N38°38', E21°21' 40 6
194 Central Greece, Etolia, Giona Mts., Sikia N38°38', E21°11' 510 6
195 Central Greece, Oeta Mts., stream Valorema, Pavliani Unspecified 1600 6
196 Central Greece, Etolia, Agrinio, Ahlavokastro Unspecified 6
197 Central Greece, Etolia, Arta, Loutraki Unspecified 6
198 Central Greece, Etolia, Agrinio, Panaitoliko Mts., Houni Unspecified 6
199 Central Greece, Etolia, Agrinio, Panaitoliko Mts., Palagohori Unspecified 6
200 Central Greece, Etolia, Nafpaktos, Avrorema bridge Unspecified 6
201 Central Greece, Central Euboea Unspecified 6
202 Central Greece, Etolia, Agrinio, Panaitoliko Mts., 3 km N of Hani Lioliou Unspecified 6
203 Central Greece, Etolia, Nafpaktos, Koutsopanneika Unspecified 6
204 Dodecanese islands, Rhodes, 3 km E of Archipolis N36°15', E28°06' 100 6
205 Dodecanese islands, Rhodes, near Archipolis N36°15', E28°03' 200 6
206 Cyclades islands, Naxos, S of Koronis N37°08', E25°32' 630 6
207 Cyclades islands, Andros, Apikia N37°51', E24°54' 220 6
208 Cyclades islands, Andros Unspecified 6
209 Peloponnese, Taygetos Mts. (below summit) N36°56', E22°23' 900 6
210 Peloponnese, village Akrata N38°09', E22°18' 80 6
211 Peloponnese, R. Krathis, Voutsimos N38°08', E22°16' 160 6
212 Peloponnese, Aroania Mts., 2 km S of Zarouchla N37°58', E22°16' 1200 6
213 Peloponnese, 3 km N of Agia Varvara N38°01', E22°15' 900 6
214 Peloponnese, R. Krathis, 7 km N of Peristera N38°05', E22°14' 600 6
215 Peloponnese, tributary of R. Krathis, 7 km N of Peristera N38°03', E22°14' 720 6
216 Peloponnese, 2 km N of Peristera N38°02', E22°14' 800 6
217 Peloponnese, R. Krathis, Peristera N38°00', E22°14' 1000 6
218 Peloponnese, Aroania Mts., 4 km S of Solos N37°59', E22°14' 1250 6
219 Peloponnese, Ano Potames, Kalivitis N38°07', E22°13' 670 6
220 Peloponnese, Aroania Mts., Zarouhla N37°59', E22°13' 1100 6
221 Peloponnese, Aroania Mts., below Xelmos , Valtos, Zarelia N37°55', E22°12' 830 6
222 Peloponnese, Likouria (below village) N37°51', E22°12' 700 6
223 Peloponnese, Aroania Mts., Kalivia N37°50', E22°10' 470 6
224 Peloponnese, Aroania Mts., Krinofita N37°49', E22°10' 460 6
225 Peloponnese, Pagrati N37°49', E22°09' 450 6
226 Peloponnese, Aroania Mts., Kastria N37°56', E22°08' 670 6
227 Peloponnese, Kato Klitoria N37°53', E22°08' 500 6
228 Peloponnese, Aroania Mts., Xelmos (above) N38°02', E22°06' 700 6
229 Peloponnese, Labia Mts., Amigdalia N37°49', E22°06' 440 6
230 Peloponnese, R. Piro, Elliniko N37°30', E22°02' 220 6
231 Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio N38°06', E21°56' 700 6
232 Peloponnese, Panachaiko Mts., Leontio N38°06', E21°55' 640 6
233 Peloponnese, Erymanthos Mts., Lechouri N37°54', E21°55' 660 6
234 Peloponnese, Panachaiko Mts., Veteika N38°08', E21°54' 970 6
235 Peloponnese, Erymanthos Mts., Kato Vlasia N38°00', E21°54' 740 6
236 Peloponnese, Panachaiko Mts., Kounaveika (near village) N38°08', E21°53' 950 6
237 Peloponnese, Panachaiko Mts., Moira N38°09', E21°51' 750 6
238 Peloponnese, Panachaiko Mts., Moira (after village) N38°08', E21°51' 800 6
239 Peloponnese, Erymanthos Mts., Profitis Ilias N38°02', E21°51' 480 6
240 Peloponnese, Ano Kastritsi, stream N38°16', E21°50' 500 6
241 Peloponnese, Erymanthos Mts., Stavrohori, Eliniko N38°03', E21°50' 380 6
242 Peloponnese, Panachaiko Mts., Souli N38°11', E21°48' 380 6
243 Peloponnese, Erymanthos Mts., S of Spartia N37°58', E21°46' 800 6
244 Peloponnese, Erymanthos Mts., Manesi N37°59', E21°43' 350 6
245 Peloponnese, Stavrodromi N37°56', E21°40' 280 6
246 Peloponnese, Abelokipi Unspecified 6
247 Peloponnese, E of Olympia Unspecified 630 6
248 Peloponnese, Panachaiko Mts., Kristalovrisi (stream) Unspecified 6
249 Peloponnese, Erymanthos Mts., Kalamata Unspecified 6
250 Crete, E of Agios Ioannis N35°03', E25°50' 400 6
251 Crete, E of Ierepetra N35°00', E25°47' 0 6
252 Crete, stream next to Sises N35°24', E24°54' 50 6
253 Crete, Passas valley near Pass N35°12', E24°54' 1300 6
254 Crete, S of Retimnon N35°20', E24°27' 230 6
255 Crete, Georgioupolis N35°22', E24°15' 0 6
256 Crete, Xyloskalon N35°18', E23°56' 620 6
257 Crete, stream near Kotsifiana N35°24', E23°45' 500 6
258 Laschtabend (Alpen) Unspecified 1200 /

Label data for primary types are cited from the top of the pin downward, with the data from each label in quotation marks. Labels are cited in full, with original spelling, punctuation, and dates, and label lines are delimited by a slash (/). Additional information is included in square [] brackets. The repository of each type is given in parentheses. Secondary type data are abridged and listed alphabetically. This study is based on material housed in the following institutions: Canadian National Collection of Insects, Ottawa, Canada (CNC); col. M. Ivković, University of Zagreb, Croatia (UZC); col. Empididae, Slovenian Museum of Natural History, Ljubljana, Slovenia (SMNH). Terms used for adult structures primarily follow those of Cumming and Wood (2009), except for the antenna and wing venation, where the terminologies of Stuckenberg (1999) and Saigusa (2006) are used, respectively. In the system outlined by Saigusa (2006), the dipteran wing vein A1 (as used in McAlpine 1981) is homologized with the mecopteran vein CuP, and consequently CuA1 (of McAlpine) is termed M4, whereas CuA2 is CuA, the anal cell is cell cua and the anal vein (A1+CuA2) is CuA+CuP. Homologies of the male terminalia follow those of Sinclair and Cumming (2006). Species of Wiedemannia described herein will not be assigned to a subgenus because we consider current subgeneric concepts confused and mostly not monophyletic (Ivković et al. 2012).

Data analysis. A list of species was compiled from all specimen data (Table 2). Comparison of species richness and assemblage composition with published records from studied countries in the Balkans (Slovenia, Croatia, Bosnia & Herzegovina, Montenegro and Former Yugoslav Republic of Macedonia) was conducted by compiling species lists for those countries taken from Wagner (1981, 1995), Horvat (1993, 1995a, 1995b, 1997) and Ivković et al. (2013a, 2013b, 2014). A species by country matrix was constructed and the Sørensen Index of Similarity of each pairwise comparison (Table 3) was calculated using the Primer v6 software (Clarke and Gorley 2006).

List of Greek aquatic dance flies and summary of their distribution. European Ecoregions are taken from Illies (1978): Hellenic Western Balkan (6) and Eastern Balkan (7).

Species Distribution Ecoregion
Hemerodromiinae
Chelifera angusta Collin, 1927 Europe, Asia 6
Chelifera barbarica Vaillant, 1982 Southern Europe, North Africa 6
Chelifera horvati sp. n. Greece 6
Chelifera precabunda Collin, 1961 Widespread in Europe 6, 7
Chelifera precatoria (Fallén, 1816) Widespread in Europe 6
Chelifera stigmatica (Schiner, 1862) Widespread in Europe 6, 7
Chelifera trapezina (Zetterstedt, 1838) Widespread in Europe 6
Hemerodromia melangyna Collin, 1927 Europe 6
Hemerodromia oratoria (Fallén, 1816) Widespread in Europe, Asia 6, 7
Hemerodromia unilineata Zetterstedt, 1842 Europe 6, 7
Clinocerinae
Clinocera megalatlantica (Vaillant, 1957) Greece, Morocco 7
Clinocera nigra Meigen, 1804 Europe, North Africa, Asia 6
Clinocera stagnalis (Haliday, 1833) Europe, North Africa, Asia, and northern North America 6, 7
Clinocerella siveci (Wagner & Horvat, 1993) Greece 6
Dolichocephala cretica Wagner, 1995 Greece (Crete) 6
Dolichocephala guttata (Haliday, 1833) Widespread in Europe 6, 7
Dolichocephala ocellata (Costa, 1854) Europe, North Africa 6
Dolichocephala vaillanti Wagner, 1995 Greece (Crete) 6
Dolichocephala zwicki Wagner, 1995 Balkan region, Greece Islands 6
Kowarzia barbatula (Mik, 1880) Europe, Asia Minor 6, 7
Kowarzia bipunctata (Haliday, 1833) Widespread in Europe, North Africa 6, 7
Kowarzia madicola (Vaillant, 1965) Central and southern Europe 6
Kowarzia plectrum (Mik, 1880) Europe, Asia Minor 6
Phaeobalia dimidiata (Loew, 1869) Europe 6, 7
Roederiodes malickyi Wagner, 1981 Greece (Crete) 6
Wiedemannia (Chamaedipsia) aequilobata Mandaron, 1964 Southern Europe 6
Wiedemannia (Chamaedipsia) ariadne Wagner, 1981 Balkan region, Greece Islands 6
Wiedemannia (Chamaedipsia) beckeri (Mik, 1889) Europe 7
Wiedemannia (Chamaedipsia) lota Walker, 1851 Europe, Asia 6, 7
Wiedemannia (Eucelidia) zetterstedti (Fallén, 1826) Europe, Asia Minor 6, 7
Wiedemannia (Philolutra) angelieri Vaillant, 1967 Southern Europe 6
Wiedemannia (Philolutra) chvali Joost, 1981 Russia (Kabardino-Balkaria), Greece 7
Wiedemannia (Philolutra) fallaciosa (Loew, 1873) Europe, Asia Minor, Middle East, North Africa 6, 7
Wiedemannia (Pseudowiedemannia) lamellata (Loew, 1869) Europe 6, 7
Wiedemannia (Pseudowiedemannia) microstigma (Bezzi, 1904) Balkan region 6
Wiedemannia (Roederella) czernyi (Bezzi, 1905) Southern Europe 7
Wiedemannia (Wiedemannia) andreevi Joost, 1982 Balkan region, Poland 6
Wiedemannia (Wiedemannia) bilobata Oldenberg, 1910 Central and southern Europe 6
Wiedemannia (Wiedemannia) dinarica Engel, 1940 Balkan region 6
Wiedemannia (Wiedemannia) dyonysica Wagner, 1990 FYR Macedonia, Greece 6
Wiedemannia (Wiedemannia) graeca Vaillant & Wagner, 1990 Greece 6, 7
Wiedemannia (Wiedemannia) tricuspidata (Bezzi, 1905) Central and southern Europe 6, 7
Wiedemannia artemisa Ivković & Plant, 2012 Balkan region 6
Wiedemannia iphigeniae sp. n. Greece 6
Wiedemannia ljerkae sp. n. Greece 6
Wiedemannia nebulosa sp. n. Greece 7
Wiedemannia pseudoberthelemyi sp. n. Greece 6

Taxonomy

Clinocerinae

Wiedemannia iphigeniae Ivković & Sinclair, sp. n.

Figs 1, 6, 7

Type locality

Greece: Peloponnese, Aroania Mts., Krinofita, 37°49'00"N, 22°10'00"E.

Type material

Holotype ♂, labelled: “GREECE, Peloponnese/ Aroania Mts., Krinofita/ 37°49'00"N, 22°10'00"E/ 20.iv.1990/ leg. B. Horvat, I. Sivec”; “HOLOTYPE/ Wiedemannia/ iphigeniae/ Ivković & Sinclair” (CNC, dried from alcohol).

Diagnosis

This species of Wiedemannia is distinguished by the apically pointed unilobed cercus with small basal projection and a narrow pterostigma on the wings.

Description

Male. Body length approx. 3.5 mm (holotype dissected prior to measurement), wing length 3.7 mm (colouration bleached by prolonged storage in alcohol). Head in lateral view higher than long; gena narrow, nearly one-third height of eye. Frons short, broader than face. Face wide, with distinct carina on lower margin, bare, lacking setae. One pair of ocellar and one pair of vertical setae; about 5 distinct upper postoculars, subequal in size; lower postocular setae finer and merging with longer setae on middle and lower occiput; many setulae present on vertex and between ocellar area. Antenna brownish; postpedicel and stylus minutely pubescent; pedicel slightly longer than scape; scape with complete circlet of subapical setae; postpedicel apically pointed; stylus nearly twice length of postpedicel; scape with setulae dorsally.

Scutum with pale central vitta between dorsocentral rows. Mesonotum with 5 dorsocentral setae, with short setulae intermixed. Acrostichal setae small and fine, biserial, extending to 2nd dorsocentral seta; 1 strong postpronotal seta and 1–4 short setulae; 2 notopleural setae and several setulae; 1 presutural supra-alar seta and many small anterior setulae; 1 postalar seta. Antepronotum with 1 pair of strong setae and 1 pair of smaller setae. Proepisternum with some fine setulae. Laterotergite with several fine, pale setulae. One pair of strong marginal scutellar setae; disc without setae.

Wing membrane clear, veins darker; 1 long basal costal seta, extending almost to humeral crossvein. Cell dm produced anteroapically. M1 and M2 with long stem vein proximal to M1+2 fork. CuA+CuP not visible. Pterostigma elongate, faint. Squama with setulae. Halter pale.

Legs brownish; fore femur with two stronger anterior setae on apical fourth; uniformly covered with rows of small dark setulae. All coxae with longer setae anteriorly; fore coxae with several erect setae. Fore and mid femora ventrally with some longer setulae on proximal half, some longer than width of segment.

Abdomen covered in small setae. Terminalia (Figs 6, 7): hypandrium subequal in length with epandrium; narrow, with 8 pairs of short setae. Epandrium subrectangular, covered with long setae especially ventrally and laterally; surstylus thumb-like on inner face apically. Clasping cercus unilobed, pointed apically; finger-like, with small basal projection on inner face with setae; fine on outer face near anterior margin and apex; inner face with stouter setae, especially near posterior margin. Phallus more or less linear, slender; distiphallus similar to phallus shaft, narrow, without swellings.

Female. Unknown.

Etymology

The species is named after the Greek mythology character Iphigenia, the priestess of the Greek Goddess Artemis.

Remarks

Wiedemannia iphigeniae sp. n. is known only from the type locality in Greece. The shape of the clasping cercus is similar to that of W. aerea Vaillant, 1967 (Pyrenees), but a distinct basal projection is lacking in the latter species.

Wiedemannia ljerkae Ivković & Sinclair, sp. n.

Figs 1, 2, 4, 5, 8

Type locality

Greece: Epirus, Igoumenitsa, River Thiamis, Soulopoulo, 39°32'00"N, 20°12'00"E.

Type material

Holotype ♂ (in 80% ethanol), labelled: “HOLOTYPE/ Wiedemannia// ljerkae IVKOVIĆ et SINCLAIR// GREECE, Epirus,/ Igoumenitsa, R. Thiamis,/ Soulopoulo// 39°32'00"N, 20°12'00"E, 30.iv.1989,/ leg. B. Horvat, I. Sivec” (UZC). Paratypes: same data as holotype (2 ♂, 6 ♀, UZC; 3 ♂, 9 ♀, CNC (dried from alcohol); 2 ♂, 16 ♀, SMNH).

Additional material

GREECE: Central Greece, Etolia, Peristera, Agrinio, 1 km S of Perkos, 300 m, 38°38'00"N, 21°45'00"E, 24.iv.1990 (SMNH); Peloponnese, Kato Klitoria, 450 m, 37°50'00"N, 22°10'00"E, 20.iv.1990 (SMNH); Peloponnisos, R. Kratis, 7 km N of Peristera, 600 m, 38°05'00"N, 22°14'00"E, 22.iv.1990 (SMNH); Peloponnese, Aroania Mts., Kastria, 21.iv.1990 (UZC).

Diagnosis

This species of Wiedemannia is distinguished by the cercus with two long finger-like processes and a rounded pterostigma on the wings.

Description

Male. Body length 3.5–4.5 mm, wing length 4.0–4.3 mm (colouration bleached by prolonged storage in alcohol). Head (Fig. 2) in lateral view higher than long; gena broad, more than half height of eye. Frons short, broader than face. Face wide, with distinct carina on lower margin, bare, lacking setae. Ocellar setae short and fine; one pair of vertical setae; about 7–8 distinct upper postocular setae; lower postocular setae finer and merging with longer setae on middle and lower occiput; numerous dark setulae on vertex and between ocellar area and eye margin. Antenna brown; postpedicel and stylus minutely pubescent; pedicel slightly shorter than half length of scape, with complete circlet of subapical setae; postpedicel apically pointed, stylus nearly twice length of postpedicel; scape with setulae dorsally.

Figures 2–5. 

Heads, male terminalia and wing of Wiedemannia spp. 2 W. ljerkae Ivković & Sinclair, sp. n., male paratype, head, lateral view 3 W. pseudoberthelemyi Ivković & Sinclair, sp. n., male paratype, head, lateral view 4 W. ljerkae Ivković & Sinclair, sp. n., paratype, male terminalia, lateral view 5 W. ljerkae Ivković & Sinclair, sp. n., male paratype, wing, Scale bar: 0.5 mm (2, 3, 4); 1.0 mm (5).

Mesonotum with 5 pairs of dorsocentral setae with short setulae interspersed. Acrostichal setae small and fine, biserial, extended onto prescutellar depression; 1 strong postpronotal seta and 2–4 small setulae; 2 notopleural setae with several short setulae; 1 presutural supra-alar seta and many small anterior setulae; 1–2 postsutural supra-alar setulae; 1 postalar seta. Antepronotum with 3–4 pairs of dark, strong setae and some smaller setae. Proepisternum with some fine, long setae. Katepisternum with some short setulae on posterior margin. Laterotergite with fine, pale setae. One pair of strong marginal scutellar setae, with many scattered setulae on disc.

Wing (Fig. 5) membrane infuscate, veins darker; 1 long basal costal seta extending almost to humeral crossvein. R2+3 dipped beneath pterostigma. Cell dm produced anteroapically. M1 and M2 originating separately, together or sometimes with a very short stem vein proximal to M1+2 fork. CuA+CuP appearing as crease. Pterostigma broad, circular to squarish, dark brown, extending faintly beyond R2+3. Squama with setulae. Halter pale, yellowish.

Legs mostly brown; fore femur with one stronger preapical anterior seta; uniformly covered with rows of small dark setulae. All coxae with longer setae anteriorly. Fore and mid femora ventrally with some longer setulae on proximal half.

Abdomen concolourous with thorax, covered in short setae. Terminalia (Figs 4, 8): hypandrium shorter than epandrium, bearing 4 pairs of setae. Epandrium subquadrate, covered with long dark setae especially ventrally and laterally; surstylus slender, digitiform. Clasping cercus with two long, slender, finger-like processes and small basal lobe with crown of spine-like setae on inner face apically; finger-like lobes with long setae distally; posterior finger-like lobe with inner cluster of stout setae at mid-length. Phallus more or less linear, very slender; distiphallus with distinct swelling at mid-length.

Female. Similar to male except pterostigma smaller, more elliptical, not extending beyond R2+3; cercus short, ovate and minutely pilose.

Etymology

The species is named after the first author’s mother, Katica Ljerka Ivković, for all those things that mothers do for all of us.

Remarks

Wiedemannia ljerkae sp. n. is known only from several localities in Greece. On the basis of the multiple slender lobes of the clasping cercus and distinct pterostigma, W. ljerkae sp. n. appears closely related to W. braueri (Mik, 1880) and W. tricuspidata (Bezzi, 1905) (see Engel 1918, 1940).

Wiedemannia nebulosa Ivković & Sinclair, sp. n.

Figs 1, 9

Type locality

Greece: Thrace, north of Dipotama, 41°24'24"N, 24°37'19"E, 1400 m.

Type material

Holotype ♂, labelled: “GREECE: Thrace/ N of Dipotama/ 41°24'24"N, 24°37'19"E/ 23.v.1994; 1400 m/ leg. B. Horvat, I. Sivec”; “HOLOTYPE/ Wiedemannia/ nebulosa/ Ivković & Sinclair” (CNC, dried from alcohol). Paratypes: same data as holotype (1 ♂, 1 ♀, CNC, dried from alcohol).

Diagnosis

This species of Wiedemannia is distinguished by the faint clouding about crossveins and base of radial fork, shape of the clasping cercus and position of distiphallus on the phallic shaft.

Description

Male. Body length 3.8–4.5 mm, wing length 5.2–5.3 mm (colouration slightly bleached by prolonged storage in alcohol). Head dark with brown frons and vertex, remainder of head with blue pruinescence; head higher than long; gena narrow, one-quarter height of eye. Frons short, broader than face. Face wide, with distinct carina on lower margin, bare, lacking setae. One pair of long ocellar setae and one pair of vertical setae; 6–7 distinct upper postoculars; lower postocular setae finer and merging with longer setae on middle and lower occiput; a few small setulae present on vertex and in ocellar area. Antenna brown; postpedicel and stylus minutely pubescent; scape longer than pedicel, with setulae dorsally; pedicel with complete circlet of apical setae; postpedicel apically pointed; stylus twice length of postpedicel.

Scutum dark brown with pair of faint black vittae between dorsocentral row and acrostichals and bluish stripe medially; prescutellar depression with blue pruinescence. Pleura clothed with blue pruinescence. Mesonotum with 5 pairs of dorsocentral setae without short setulae interspersed. Acrostichal setae short and fine, biserial, extending onto prescutellar depression; 1 strong postpronotal seta; 2 notopleural setae and several short setae; 1 presutural supra-alar seta and several small anterior setulae; 1 postalar seta. Antepronotum with 1 pair of strong setae. Proepisternum with some fine setulae. Katepisternum without setulae. Laterotergite with fine, pale setae. One pair of strong marginal scutellar setae; disc bare.

Wing membrane infuscate with darkening at apex of cell dm, radial fork and r-m crossvein; veins darker; 1 short basal costal seta ending before humeral crossvein. Cell dm produced anteroapically. M1 and M2 originating separately from cell dm. CuA+CuP in form of short streak. Pterostigma broad and elongate, very distinct. Squama with setulae. Halter yellowish brown.

Legs mostly brown; fore femur with 2–3 strong anterior setae on apical quarter; uniformly covered with rows of small dark setulae. All coxae with longer setae anteriorly; fore coxa with 1–2 erect setae. Fore and mid femora ventrally with some longer setulae on proximal half.

Abdomen concolourous with thorax, covered in short setae. Pruinescence darker on tergites than sternites. Terminalia (Fig. 9): hypandrium subequal in length with epandrium, with 5 pairs of setae. Epandrium irregularly subquadrate, with several stouter and longer setae (shown by enlarged sockets) in addition to normal setae ventrally and laterally; surstylus short, digitiform with rounded apex; subepandrial sclerite projecting slightly beyond epandrium near surstylus. Clasping cercus pale brown, broad, gradually tapered to rounded apex; inner posterior margin with long peg-like setae. Phallus more or less linear, slender; distiphallus without swelling at mid-length; distiphallus with serrate membranous margin, extending onto shaft.

Female. Similar to male. Terminalia: cercus short ovate and minutely pilose.

Etymology

The species name is derived from the Latin nebulosus (misty, cloudy, dark), in reference to the clouding about the crossveins.

Remarks

Wiedemannia nebulosa sp. n. is known only from the type locality in Greece. On the basis of the shape of the clasping cercus, this new species is similar to W. carpathica Vaillant, 1967 (eastern Carpathians), W. pyrenaica Vaillant, 1967 (Pyrenees) and perhaps W. wachtli (Mik, 1880).

Wiedemannia pseudoberthelemyi Ivković & Sinclair, sp. n.

Figs 1, 3, 10

Type locality

Greece: Etolia, River Mornos, Nafpaktos, 38°23'N, 21°51'E.

Type material

Holotype ♂ (in 80% ethanol), labelled: “HOLOTYPE/ Wiedemannia// pseudoberthelemyi IVKOVIĆ// et SINCLAIR/, GREECE, Etolia,// River Mornos,/ Nafpaktos,/ 38°23'N, 21°51'E, 23.iv.1990,// leg. B. Horvat, I. Sivec” (UZC). Paratypes: same data as holotype (1 ♂, 3 ♀, UZC; 3 ♂, 6 ♀, CNC, dried from alcohol).

Additional material

GREECE: Central Greece, Panaitoliko Mts., R. Tavropos, Kalesmeno, 300 m, 38°56'N, 21°40'E, 29.iv.1989 (SMNH); Central Greece, Etolia, Agrinio, Agia Soufia, 100 m, 38°36'N, 21°26'E, 24.iv.1990 (SMNH); Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia, 800 m, 38°43'N, 22°00'E, 28.iv.1990 (SMNH).

Diagnosis

This species of Wiedemannia is distinguished by the long gena and the mitten-shaped clasping cercus, which is extremely similar to that of Wiedemannia (Chamaedipsia) berthelemyi Vaillant & Vinçon, 1987.

Description

Male. Body length 3.5–4.1 mm, wing length 3.5–3.6 mm (colouration bleached by prolonged storage in alcohol). Head (Fig. 3) in lateral view higher than long; gena broad, three-quarters height of eye. Frons short, broader than face. Face wide, with distinct carina on lower margin, bare, lacking setae. One pair of short ocellar setae and one pair of vertical setae; about 6 distinct upper postocular setae; lower postocular setae finer and merging with longer setae on middle and lower occiput; few small setulae present on vertex and between ocellar area. Antenna brown; postpedicel and stylus minutely pubescent; scape longer than pedicel, with setulae dorsally; pedicel with complete circlet of apical setae; postpedicel apically pointed; stylus nearly twice length of postpedicel.

Mesonotum with 5 pairs of dorsocentral setae with short setulae interspersed. Acrostichal setae short and fine, biserial, extending to prescutellar depression; 1 strong postpronotal seta; 2–3 notopleural setae and several short setae of variable size; 1 presutural supra-alar seta and numerous small setulae; 1 postalar seta. Antepronotum with 1 pair of strong setae and a few shorter setae. Proepisternum with some fine setulae. Katepisternum with a few (1–3) setulae. Laterotergite with fine, pale setae. One pair of strong marginal scutellar setae with many scattered setae on disc.

Wing membrane infuscate, veins darker; 1 short basal costal seta ending before humeral crossvein. Cell dm produced anteroapically. Veins M1 and M2 originating together with short stem vein proximal to M1+2 fork. Vein CuA+CuP extremely faint. Pterostigma elongate, indistinct. Squama with setulae. Halter yellowish.

Legs mostly brown; fore femur with 1 strong preapical anterior seta; uniformly covered with rows of small dark setulae. All coxae with longer setae anteriorly. Fore and mid femora ventrally with some longer setulae on proximal half.

Abdomen concolourous with thorax, covered in short setae. Pubescence darker on tergites than sternites. Terminalia (Fig. 10): hypandrium subequal in length with epandrium, with 6 pairs of setae. Epandrium irregularly subquadrate, with 2–3 stouter and longer setae (shown by enlarged sockets) in addition to regular setae ventrally and laterally; surstylus very slender, hook-shaped. Clasping cercus yellowish-brown, broad, mitten-shaped, with thumb-like anterior lobe; posterior lobe truncate apically; thumb-like lobe with long outer setae; stout setae with multi-branched apex covering most of inner face of cercus. Phallus more or less linear, slender; distiphallus with swelling at mid-length.

Female. Similar to male. Terminalia: cercus short ovate and minutely pilose.

Etymology

The species name is derived from the name Wiedemannia (Chamaedipsia) berthelemyi because of the similarity of the clasping cercus with that of this species.

Remarks

Wiedemannia pseudoberthelemyi sp. n. is known only from parts of Greece. This new species differs from W. berthelemyi on the basis of the truncate posterior lobe of the clasping cercus (pointed in W. berthelemyi) and in having only a single preapical seta on the fore femur (2 in W. berthelemyi). The odd stout setae with multi-branched tips on the inner face of the clasping cercus were not noted by Vaillant and Vinçon (1987) and the absence of the swelling on the distiphallus (Vaillant and Vinçon 1987, fig. 32) is likely an artefact caused by the acid clearing process. The holotype of W. berthelemyi was not examined.

Additional similar species that could be included in this group based on the shape of the clasping cercus include: W. angelieri Vaillant, 1967 (Pyrenees), W. vedranae Ivković & Sinclair, 2014 (Sierra Nevada, Spain), and W. queyrasiana Vaillant, 1956 (European Alps).

Hemerodromiinae

Chelifera horvati Ivković & Sinclair, sp. n.

Figs 1, 11

Type locality

Greece: Central Greece, Etolia, Arta, Loutraki.

Type material

HOLOTYPE ♂, labelled: “GREECE: Central Greece/ Etolia, Arta, Loutraki/ 16.iv.1990/ leg. B. Horvat, I. Sivec”; “HOLOTYPE/ Chelifera/ horvati/ Ivković & Sinclair” (CNC, dried from alcohol).

Diagnosis

A yellow-brown species with distinct, brown and rounded pterostigma, characterized in the male by dark brown cercus with elongate, slender forked process at mid-length, posteriorly tapered epandrium with stout inner setae and membranous distiphallus with two elongate lobes.

Description

Male. Body length 4 mm, wing length 3.6 mm. Head dorsoventrally flattened, dark brown; ocellar triangle dark brown; all setae whitish. Eyes iridescent black; narrowly separated on face. Face with thick, whitish pubescence. One pair of postocular setae and scattered fine setae on vertex. Occiput bearing scattered fine setulae; gena with rather dense short, downwardly directed whitish pile. Antenna whitish, with scape and pedicel bearing distinct short dorsal setulae; postpedicel about 1.5× as long as wide, stylus much shorter than postpedicel.

Thorax elongate; yellow, all setae yellowish. Mesonotum with pair of brown vittae, extending around prescutellar depression; small dark spot posterior to postpronotal lobe and larger dark spot near wing base. Holotype missing most thoracic setae.

Wing (slightly damaged) membrane transparent, veins yellow; pterostigma dark, rounded, with R2+3 arched around it; fork of R4+5 less than 90°; cell r4 rather long, R5 nearly 2× as long as R4. Halter pale.

Legs whitish yellow, apical two tarsal segments on all legs brown. Fore coxa about 8× longer than wide with several pale dorsoapical setae. Fore femur slightly longer than fore coxa, more than 4× longer than wide, evenly inflated, widest at middle. Fore femur with two rows of black ventral denticles and two rows of strong outer brownish-yellow ventral setae, with following chaetotaxy: 20 anteroventral denticles, 6 anteroventral spine-like setae, 21 posteroventral denticles, 6 posteroventral spine-like setae; denticles closely spaced and rows converging distally; posteroventral spine-like setae shorter distally. Fore tibia 0.6× as long as fore femur, evenly curved with anteroventral row of short, spine-like setae; with apicoventral dark spur-like seta, longer than width of tibia. Mid and hind femora with anteroventral row of short, slender setae.

Abdomen yellow ventrally, brown dorsally, with pale setae most conspicuous on hind margin of posterior sternites. Terminalia (Fig. 11): cercus dark brown, thick, with narrow, elongate process at mid-length with forked apex (process folded horizontally in non-macerated condition); anterior end of cercus pointed and curved medially, with long setae, posterior end of cercus rounded; cercus wider then epandrium. Epandrium yellowish-brown, concave medially, posteriorly pointed with 5 stout setae on inner apical margin directed medially; entire epandrium covered in numerous setae. Hypandrium yellow, quadrate, with posteroapical lobe and concave posterior margin; pale setae on posteroventral face. Postgonite slender, sickle-shaped. Distiphallus membranous, expanded into two elongate lobes; apex of posterior lobe with pigmented arch-shaped sclerotization.

Female. Unknown.

Etymology

The new species is named after the late Dr Bogdan Horvat, mentor of the first author, colleague and during his life a leading expert on the genus Chelifera Macquart.

Remarks

Chelifera horvati sp. n. is known only from one site in Greece. The narrow pigmented and sclerotized apex of the distiphallus of C. horvati sp. n. is similar in C. concinnicauda Collin, 1927, C. diversicauda Collin, 1927, C. giraudae Vaillant, 1982 and C. subangusta Collin, 1961 (see Collin 1961 and Vaillant 1982).

Key to species of aquatic Empididae of Greece

(written primarily for male specimens; some couplets modified from Collin (1961) and Vaillant (1982); Wiedemannia (Philolutra) hygrobia (Loew) is included in the key, although Greek records not confirmed)

1 Fore femur with one or two rows of black, peg-like setae ventrally; fore femur width 2–3 times that of fore tibia Hemerodromiinae...2
Fore femur without black, peg-like setae ventrally; fore femur width less than 1.5 times that of fore tibia Clinocerinae...11
2 Cell cua (anal cell) and crossvein bm-cu absent (discal cell absent); R1 meeting costa before middle of wing Hemerodromia Meigen...3
Cells cua (anal cell) and dm present (crossvein bm-cu present); R1 meeting costa beyond middle of wing Chelifera Macquart...5
3 Scutum with dark spot posterior to postpronotal lobe; cercus inflated, kidney-shaped in dorsal view (Collin 1961, fig. 302) Hemerodromia melangyna Collin
Scutum without dark spot posterior to postpronotal lobe; cercus not inflated 4
4 Cercus with shallow, semi-circular apical excision (Collin 1961, fig. 299) Hemerodromia oratoria (Fallén)
Cercus without apical excision, apex rounded with short, stout inner setae (Collin 1961, fig. 300a) Hemerodromia unilineata Zetterstedt
5 Pterostigma very indistinct, long ovate and pale yellow (male terminalia: Collin 1961, fig. 295) Chelifera trapezina (Zetterstedt)
Pterostigma distinct, circular and black or brownish 6
6 Male cercus simple, without lobe in lateral view 7
Male cercus with lobe in lateral view 9
7 Male cercus small and thin, narrower than epandrium (Collin 1961, fig. 292) Chelifera angusta Collin
Male cercus as broad as epandrium 8
8 Male cercus, viewed from above, with a distinct projection near middle of inner edge (Collin 1961, fig. 287) Chelifera precabunda Collin
Male cercus, viewed from above, without a distinct projection near middle of inner edge (Collin 1961, fig. 286) Chelifera precatoria (Fallén)
9 Male cercus with narrow, elongate dorsal process at mid-length, with forked apex (Fig. 11) Chelifera horvati sp. n.
Male cercus without dorsal process at mid-length 10
10 Posterior lobe of male cercus arched; hypandrium in lateral view tapered and narrowed posteriorly (Vaillant 1982, figs 5g, 7a) Chelifera stigmatica (Schiner)
Posterior lobe of male cercus conical; hypandrium in lateral view rouned and broadly prolonged posteriorly (Vaillant 1982, figs 5i, 9a) Chelifera barbarica Vaillant
11 Neck arising high on occiput, from near top of head Dolichocephala Macquart...12
Neck arising near centre of occiput or level with centre of eye 16
12 Wings without white rounded spots or irrorations, at most only faint white streaks in cells Dolichocephala guttata (Haliday)
Wings with white rounded spots or irrorations 13
13 Wings with only white streak in cell r2+3 (proximal section) (Wagner 1995, fig. 4); clasping cercus elongate and straight, narrow on apical half (Wagner 1995, fig. 10) Dolichocephala cretica Wagner
Wings with pair of white spots in cell r2+3 (proximal section) (Wagner 1995, figs 3, 6); clasping cercus arched 14
14 Surstylus unforked; clasping cercus strongly arched (Engel 1939, fig. 46) Dolichocephala ocellata (Curtis)
Surstylus forked (Wagner 1995, figs 8, 13); clasping cercus gradually arched 15
15 Clasping cercus L-shaped, with peg-like seta at inner apex (Wagner 1995, fig. 7) Dolichocephala vaillanti Wagner
Clasping cercus arched medially, with peg-like seta subapically (Wagner 1995, fig. 12) Dolichocephala zwicki Wagner
16 Tarsomeres 2–4 of foreleg subequal in length 17
Tarsomere 2 of foreleg much longer than tarsomeres 3 or 4, often twice length of tarsomere 4 18
17 Proboscis as long as head; labrum long and slender; labellum not sucker-like (Wagner 1981, fig. 8) Roederiodes malickyi Wagner
Proboscis shorter than head; labrum subtriangular; labellum sucker-like (Engel 1939, text fig. 92) Clinocerella siveci (Wagner & Horvat)
18 Lower margin of face lacking notch or deep cleft above mouthparts; apical phallus filament not articulated Clinocera Meigen...19
Lower margin of face with notch or deep cleft; apical phallic filament articulated 21
19 Comb of preapical anterior setae on fore femur absent; postpronotal seta reduced, shorter and thinner than notopleural setae; postsutural supra-alar setae absent Clinocera nigra Meigen
Comb of preapical anterior setae on fore femur present; postpronotal seta well developed, similar to scutal setae; postsutural supra-alar setae present 20
20 Wings with faint clouding about crossveins; apex of femora (“knees”) light brown, compared to bluish pruinescent femur; surstylus elongate, apex rounded (Collin 1961, fig. 311b) Clinocera stagnalis (Haliday)
Wings without clouding; apex of femora not paler than remaining femur; surstylus subtriangular, with narrow anterior apex (Fig. 12) Clinocera megalatlantica (Vaillant)
21 Face with setulae along inner margin of eye Kowarzia Mik...22
Face bare, without setulae along inner margin of eye 25
22 Coxae and femora dark, brown (male terminalia: Vaillant 1965, figs 3e, f) Kowarzia plectrum (Mik)
Coxae and femora pale, yellowish 23
23 Surstylus deeply forked (Collin 1961, fig. 314c) Kowarzia bipunctata (Haliday)
Surstylus unforked 24
24 Surstylus as broad as clasping cercus; clasping cercus digitiform, strongly curved at middle, generally similar in width until apex (Vaillant 1965, figs 3b, d) Kowarzia madicola (Vaillant)
Surstylus long and slender, much thinner than clasping cercus; clasping cercus broad, gently curved (Collin 1961, fig. 314a) Kowarzia barbatula Mik
25 Wings with distinct spots; pterostigma clearly outlined, elliptical Phaeobalia dimidiata (Loew)
Wings lacking spots; pterostigma usually either both faint and elongate or dark and circular Wiedemannia Zetterstedt...26
26 Pterostigma rounded, usually very distinct and large (Fig. 5) 27
Pterostigma elongate and narrow, often indistinct 35
27 Gena width more than half vertical diameter of eye (Fig. 2) 28
Gena width less than half vertical diameter of eye 34
28 Clasping cercus deeply divided into 2 or 3 elongate finger-like lobes (Fig. 4) 29
Clasping cercus not divided into elongate finger-like lobes 30
29 Clasping cercus with 2 elongate lobes and shorter, broad anterior lobe bearing peg-like apical setae (Fig. 8) Wiedemannia ljerkae sp. n.
Clasping cercus with 3 elongate lobes, anterior lobe narrower and slightly shorter than posterior lobes, without peg-like setae (Engel 1940, fig. 95) Wiedemannia (Wiedemannia) tricuspidata (Bezzi)
30 Base of clasping cercus prolonged anteriorly, arched around epandrium 31
Base of clasping cercus not prolonged anteriorly around epandrium 33
31 Apex of clasping cercus tapered and narrow (Engel 1940, fig. 88) Wiedemannia (Wiedemannia) bilobata Oldenberg
31 Apex of clasping cercus bluntly rounded and broad 32
32 Apex of clasping cercus prolonged; base of clasping cercus with stout setae confined to upper inner edge (Vaillant and Wagner 1990, figs 1, 2) Wiedemannia (Wiedemannia) graeca Vaillant & Wagner
Apex of clasping cercus slightly expanded, not prolonged anteriorly; base of clasping cercus with stout setae covering most of inner face (Wagner 1990, figs 3, 4) Wiedemannia (Wiedemannia) dyonysica Wagner
33 Clasping cercus with posterior margin deeply invaginated, forming pair of narrow basal lobes (Joost 1982, figs 1, 2) Wiedemannia (Wiedemannia) andreevi Joost
Clasping cercus L-shaped (Engel 1940, fig. 91) Wiedemannia (Wiedemannia) dinarica Engel
34 Clasping cercus broad in lateral view, expanded at mid-length (Engel 1940, fig. 97) Wiedemannia (Pseudowiedemannia) lamellata (Loew)
Clasping cercus very narrow on basal half in lateral view, with short lobe at mid-length directed medially (Engel 1940, fig. 98) Wiedemannia (Pseudowiedemannia) microstigma (Bezzi)
35 All femora with distinct anterior and posterior preapical setae (male terminalia: Engel 1940, fig. 78) Wiedemannia (Eucelidia) zetterstedti (Fallén)
Femora without distinct preapical setae, or at least only anterior seta present on fore femur 36
36 Acrostichals only present anterior to second dorsocentral seta (male terminalia: Engel 1940, fig. 79) Wiedemannia (Roederella) czernyi (Bezzi)
Acrostichals extending to at least prescutellar depression 37
37 Gena width more than half vertical diameter of eye (Fig. 3) Wiedemannia pseudoberthelemyi sp. n.
Gena width less than half vertical diameter of eye 38
38 Clasping cercus short and broad, height and width of lobe subequal 39
Clasping cercus prolonged dorsally, distinctly higher than wide 43
39 Clasping cercus circular, without lobes (Mandaron 1964, figs B, E) Wiedemannia (Chamaedipsia) aequilobata Mandaron
39 Clasping cercus bilobed, mitten-shaped 40
40 Anterior lobe of clasping cercus narrow, thumb-like (Vaillant 1967, figs 2.3, 2.4) Wiedemannia (Philolutra) angelieri Vaillant
Anterior lobe of clasping cercus broad, subequal in width to posterior lobe or small, not longer than wide 41
41 Anterior lobe of clasping cercus broad, subequal in width to posterior lobe (Joost 1981, figs 7, 8) Wiedemannia (Philolutra) chvali Joost
Anterior lobe of clasping cercus small, not longer than wide 42
42 Clasping cercus without long setae anteriorly at base (Wagner 1981, figs 5, 6) Wiedemannia (Chamaedipsia) ariadne Wagner
Clasping cercus with long setae anteriorly at base (Engel 1940, fig. 102) Wiedemannia (Philolutra) hygrobia (Loew)
43 Clasping cercus mitten-shaped, with thumb-like anterior lobe (Engel 1940, fig. 101) Wiedemannia (Philolutra) fallaciosa (Loew)
Clasping cercus not mitten-shaped 44
44 Fore femur with a single distinct anterior seta at about one-sixth from apex 45
Fore femur without setae or with several distinct anterior setae at about one-sixth from apex 46
45 Clasping cercus long, slender and parallel-sided, yellow, nearly twice as long as width of epandrium (Collin 1961, fig. 313c; Engel 1940, fig. 86) Wiedemannia (Chamaedipsia) lota Walker
Clasping cercus slightly longer than width of epandrium and tapered apically with narrow basal lobe-like expansion (Fig. 6) Wiedemannia iphigeniae sp. n.
46 Clasping cercus with broad base, bent at nearly right angles, L-shaped (Ivković et al. 2012, figs 2, 3) Wiedemannia artemisa Ivković & Plant
Clasping cercus with broad base and gradually tapered apically 47
47 Phallus shaft extended well beyond base of distiphallus; clasping cercus with stout, blunt-tipped setae along inner posterior margin (Fig. 9); wing with faint clouding about crossveins Wiedemannia nebulosa sp. n.
Phallus shaft not extended beyond base of distiphallus; clasping cercus with long thick setae along inner margin (Vaillant 1967, fig. 2.9); wing without faint clouding about crossveins Wiedemannia (Chamaedipsia) beckeri (Mik)
Figures 6–8. 

Male terminalia of Wiedemannia spp., lateral view. 6 W. iphigeniae Ivković & Sinclair, sp. n., holotype 7 W. iphigeniae Ivković & Sinclair, sp. n., holotype, clasping cercus, inner view 8 W. ljerkae Ivković & Sinclair, sp. n., paratype.

List of Empididae of Greece (Clinocerinae & Hemerodromiinae)

The following format is used for the distributional data: Literature references – name of the site and in brackets the reference citation and site ID; New records – name of the site and in brackets the site ID. All the sites and their numbers are listed in Table 1.

Subfamily Clinocerinae

Clinocera megalatlantica (Vaillant, 1957)

New records. Thrace, Samothrace, hygropetric zone of stream at the church of Kreminotissa (15).

Remarks. This species is newly recorded from Greece. The male terminalia of this species are illustrated (Fig. 12) to highlight additional detail not shown in the original drawing of Vaillant (1957, fig. IIC).

Clinocera nigra Meigen, 1804

New records. Macedonia, Pieria Mts. 2 (52); Epirus, R. Aheron, N of Gliki (115); Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki (164); Central Greece, Etolia, Panaitoliko Mts., Klepa (170); Central Greece, Etolia, Nafpaktos, Anthofito (174); Central Greece, Etolia, Agrinio, R. Evinos, Kato Hrisovitsa, Diasellaki (183); Central Greece, Etolia, Agrinio, Agia Soufia (191); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, tributary of R. Krathis, 7 km N of Peristera (215); Peloponnese, 2 km N of Peristera (216); Peloponnese, Ano Potames, Kalivitis (219).

Clinocera stagnalis (Haliday, 1833)

Literature references. Macedonia, Grevena, stream S of R. Aliakmon by Kamilas Pigi (Wagner 1995) (58); Macedonia, Vernon, influx of Aliakmon between Gavros and Aposkepos (Wagner 1995) (61); Macedonia, Chalkidiki, Chlomon Oros., valley on the southern slope (Wagner 1995) (68); Epirus, Pindus Mts., Metsovo, meadow source easthang (Wagner 1995) (94); Epirus, Xerovouni Mts., Plaka, R. Arachthos, u. Agnatha (Wagner 1995) (105).

New records. Thrace, N of Xanthi (18); Thrace, N of Dipotama, 1 (19); Thrace, N of Dipotama 3 (22); Thrace, Dit. Rodopi, Skaloti (29); Thrace, Dit. Rodopi 1 (30); Thrace, Dit. Rodopi, E of Mikromilia (35); Macedonia, Dit. Rodopi, Elatia forest (37); Macedonia, E of Mikroklisoura (38); Macedonia, N of Stavros (39); Macedonia, N of Agios Dimitrios (43); Macedonia, Pieria Mts., S of Elatohori (44); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, Pieria Mts., Fteri (47); Macedonia, Pieria Mts., W of Fteri (48); Macedonia, Pieria Mts., E of Velventos (50); Macedonia, Pieria Mts., 1 (51); Macedonia, Pieria Mts. 2 (52); Macedonia, Pieria Mts., 3 (53); Macedonia, E of Velventos (54); Macedonia, Phalacro Mts., N of Livadero (55); Macedonia, Grevena, Milea (56); Macedonia, Grevena, 6 km S of Milea (57); Macedonia, Kastoria, Nestorio (62); Thessaly, Pieria Mts., S of Livadi (74); Thessaly, 5 km W of Palea Giannitsou (75); Thessaly, Deskati (76); Thessaly, S of Asprokklisia (78); Thessaly, Kalambaka, Agios Nikolaos (80); Thessaly, Trikala, Stournareika (81); Thessaly, Trikala, Kato Palagokaria (82); Thessaly, Trikala, 9 km S of Chrisomilea (90); Epirus, Metsovo, Katara Pass (96); Epirus, Metsovo, R. Metsovitikos (99); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (100); Epirus, Metsovo, Lakmos Mts., Anilio (15 km S influx) (102); Epirus, Metsovo, 14 km W of Milea (103); Epirus, Ioannina, R. Zagoritikos, Karies (106); Epirus, 10 km N of Louros (110); Epirus, Ioannina, R. Voidomatis, Aristi (112); Central Greece, Etolia, Lamia, Ieraklia (145); Central Greece, Oeta Mts., between Kastanea and Katafygio (147); Central Greece, Etolia, Vardousia Mts., 5 km N of Grammeni Oxia (153); Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia (154); Central Greece, Etolia, Vardousia Mts., 9 km N of Grammeni Oxia (155); Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia (156); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Tymfristos Mts., R. Sperhios, Lamia (168); Central Greece, Etolia, Panaitoliko Mts., Klepa (170); Central Greece, Karpenisi, Agios Nikolaos (175); Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista (176); Central Greece, Etolia, Lamia, Pavliani (192); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Palagohori (199); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, R. Krathis, 7 km N of Peristera (214); Peloponnese, tributary of R. Krathis, 7 km N of Peristera (215); Peloponnese, R. Krathis, Peristera (217); Peloponnese, Aroania Mts., Zarouhla (220); Peloponnese, Aroania Mts., Xelmos (bellow), Valtos, Zarelia (221); Peloponnese, Pagrati (225); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Kato Klitoria (227); Peloponnese, Labia Mts., Amigdalia (229); Peloponnese, R. Piro, Elliniko (230); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (231); Peloponnese, Erymanthos Mts., Lechouri (233); Peloponnese, Panachaiko Mts., Veteika (234); Peloponnese, Erymanthos Mts., Kato Vlasia (235); Peloponnese, Panachaiko Mts., Kounaveika (near village) (236); Peloponnese, Erymanthos Mts., Profitis Ilias (239); Peloponnese, Erymanthos Mts., Stavrohori, Eliniko (241); Peloponnese, Erymanthos Mts., S of Spartia (243); Peloponnese, Stavrodromi (245); Peloponnese, Abelokipi (246); Peloponnese, Panachaiko Mts., Kristalovrisi (stream) (248).

Clinocerella siveci (Wagner & Horvat, 1993)

Literature references. Central Greece, Etolia, Panaitoliko Mts., Klepa (Wagner and Horvat 1993) (170); Central Greece, Etolia, Agrinio, Agia Soufia (Wagner and Horvat 1993) (191); Central Greece, Etolia, Agrinio, Panaitoliko Mts., 3 km N of Hani Lioliou (Wagner and Horvat 1993) (202); Central Greece, Etolia, Nafpaktos, Koutsopanneika (Wagner and Horvat 1993) (203); Peloponnese, 2 km N of Peristera (Wagner and Horvat 1993) (216); Peloponnese, Aroania Mts., Kalivia (Wagner and Horvat 1993) (223); Peloponnese, Panachaiko Mts., Kounaveika (near village) (Wagner and Horvat 1993) (236); Peloponnese, Panachaiko Mts., Kristalovrisi (stream) (Wagner and Horvat 1993) (248); Peloponnese, Erymanthos Mts., Kalamata (Wagner and Horvat 1993) (249).

Figures 9–12. 

Male terminalia of Wiedemannia spp., lateral view 9 W. nebulosa Ivković & Sinclair, sp. n., paratype 10 W. pseudoberthelemyi Ivković & Sinclair, sp. n., paratype 11 Chelifera horvati Ivković & Sinclair, sp. n., holotype 12 Clinocera megalatlantica (Vaillant).

Dolichocephala cretica Wagner, 1995

Literature references. Crete, stream near Kotsifiana (Wagner 1995) (257).

Dolichocephala guttata (Haliday, 1833)

Literature references. Crete, E of Ierepetra (Wagner 1981) (251).

New records. Thrace, Sapka Mts. 1 (6); Thrace, Dit. Rodopi, N of Dipotama 3 (26); Macedonia, Pieria Mts., 1 (51); Macedonia, Pieria Mts. 3 (53); Epirus, N of Katarapass, 1 km SW Milea (95); Epirus, Metsovo, Katara Pass (96); Cyclades islands, Andros (206); Peloponnese, 2 km N of Peristera (216); Peloponnese, Aroania Mts., 4 km S of Solos (218); Peloponnese, Ano Potames, Kalivitis (219).

Dolichocephala ocellata (Costa, 1854)

Literature references. North Aegean islands, Lesbos, 3 km NW of Agiasos (Wagner 1981) (130); North Aegean islands, Icaria (Wagner 1981) (140); Crete, E of Ierepetra (Wagner 1981) (251).

New records. Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115); Central Greece, Etolia, Agrinio, Agia Soufia (191).

Dolichocephala vaillanti Wagner, 1995

Literature references. Crete, stream near Sises (Wagner 1995) (252).

Dolichocephala zwicki Wagner, 1995

Literature references. North Aegean islands, Lesbos, 3 km NW of Agiasos (Wagner 1995) (130).

New records. Cyclades islands, Andros (206).

Kowarzia barbatula (Mik, 1880)

Literature references. Thrace (Wagner 1981) (36); Macedonia, Xanthi, NE Pass Str. Xanthi-Stavroupolis (Wagner 1995) (69); North Aegean islands, Lesbos, 7 km E of Plomari (Wagner 1981) (127); North Aegean islands, Lesbos, 4 km W of Agiasos (Wagner 1981) (131); North Aegean islands, Icaria, W of Chrisostomos (Wagner 1981) (136); North Aegean islands, Chios, 2 km N of Fita (Wagner 1981) (137); North Aegean islands, Chios, N of Keramos (Wagner 1981) (138); North Aegean islands, Chios, 5 km N of Pirama (Wagner 1981) (139); North Aegean islands, Icaria (Wagner 1981) (140); Central Greece, Euboea, S of Komiton (Wagner 1995) (142).

New records. Thrace, W of Mega Derio (2); Thrace, Lesitse Mts. (3); Thrace, Sapka Mts., 1 (6); Thrace, 3 km N of Alexandroupoli (7); Thrace, Sapka Mts. 2 (8); Thrace, Sapka Mts., Nea Sanda 2 (10); Thrace, Anatoliki Rodopi, E od Drimi (11); Thrace, Dit. Rodopi, N of Dipotama 1 (21); Thrace, N of Dipotama 4 (23); Thrace, N of Dipotama 5 (24); Macedonia, Pieria Mts., 2 streams on Ritini (42); Macedonia, N of Agios Dimitrios (43); Macedonia, Pieria Mts., S of Elatohori (44); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, Pieria Mts., 1 (51); Macedonia, Pieria Mts., 2 (52); Macedonia, Phalacro Mts., N of Livadero (55); Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115); Central Greece, Etolia, Vardousia Mts., Ano Chora (169); Central Greece, Etolia, Panaitoliko Mts., Klepa (170); Central Greece, Etolia, Nafpaktos, Simos (180); Central Greece, Etolia, Panaitoliko Mts., Prousos (186); Central Greece, Etolia, Panaitoliko Mts., Chaliki, Nerosirtis (188); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Erymanthos Mts., S of Spartia (243).

Kowarzia bipunctata (Haliday, 1833)

Literature references. North Aegean islands, Lesbos, 2 km N of Akrassi (Wagner 1981) (132); North Aegean islands, Lesbos, Ambeliko (Wagner 1981) (134); North Aegean islands, Lesbos, E of Lepetimnos (Wagner 1981) (135); Crete, E of Agios Ioannis (Wagner 1995) (250); Crete, Passas valley near Pass (Wagner 1995) (253); Crete, S of Retimnon (Wagner 1981) (254).

New records. Thrace, 3 km N of Alexandroupoli (7); Thrace, Sapka Mts., Nea Sanda, 2 (10); Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115); Central Greece, Etolia, Agrinio, Agia Soufia (191); Central Greece, Etolia, Arta, Loutraki (197); Peloponnese, village Akrata (210); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Erymanthos Mts., Stavrohori, Eliniko (241); Peloponnese, Abelokipi (246).

Kowarzia madicola (Vaillant, 1965)

New records. Peloponnese, Erymanthos Mts., Stavrohori, Eliniko (241).

Kowarzia plectrum (Mik, 1880)

New records. Macedonia, Pieria Mts., E of Velventos (50); Macedonia, Pieria Mts., 1 (51); Macedonia, Pieria Mts., 2 (52); Epirus, 10 km N of Louros (110).

Remarks. This species is newly recorded from Greece.

Phaeobalia dimidiata (Loew, 1869)

New records. Thrace, N of Dipotama 3 (22); Thrace, N of Dipotama 4 (23); Thrace, Dit. Rodopi, N of Dipotama 2 (25); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, Pieria Mts., Fteri (47); Macedonia, Pieria Mts., W of Fteri (48); Macedonia, Pieria Mts., E of Velventos (50); Macedonia, Pieria Mts., 2 (52).

Remarks. This species is newly recorded from Greece.

Roederiodes malickyi Wagner, 1981

Literature references. Crete, Xyloskalon (Wagner 1981) (256).

Wiedemannia (Chamaedipsia) aequilobata Mandaron, 1964

New records. Epirus, Lakmos Mts., 10 km S of Anilio (101).

Wiedemannia (Chamaedipsia) ariadne Wagner, 1981

Literature references. Cyclades islands, Naxos, S of Koronis (Wagner 1981) (207); Cyclades islands, Andros, Apikia (Wagner 1981) (208).

Wiedemannia (Chamaedipsia) beckeri (Mik, 1889)

New records. Thrace, Rodopi, N of Dipotama 1 (21); Thrace, N of Dipotama 3 (22); Thrace, Rodopi, N of Dipotama 3 (26); Thrace, N of Sidironero 1 (31).

Remarks. This species is newly recorded from Greece.

Wiedemannia (Chamaedipsia) lota Walker, 1851

Literature references. Macedonia, Olympus Mts. above Agios Dyonysos, Prionia (Wagner 1981) (41); Dodecanese islands, Rhodes, 3 km E of Archipolis (Wagner 1981) (204).

New records. Thrace, Anatoliki Rodopi, Drimi (12); Thrace, Anatoliki Rodopi, E of Gratini 1 (13); Thrace, Anatoliki Rodopi, E of Gratini 2 (14); Thrace, 8 km N of Sminthi (17); Thrace, N of Xanthi (18); Thrace, N of Dipotama 1 (19); Thrace, N of Dipotama 3 (22); Macedonia, N of Stavros (39); Macedonia, R. Mavroneri, 10 km W of Katerini (40); Macedonia, S of Agios Dimitrios (45); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, Pieria Mts., 2 (52); Macedonia, E of Velventos (54); Macedonia, Kastoria, Nestorio (62); Macedonia, Kastoria, Grammos Mts., 7 km S Chrisi (64); Thessaly, S of Kallithea (73); Thessaly, Pieria Mts., S of Livadi (74); Thessaly, Deskati (76); Thessaly, Trikala, Longiai (77); Thessaly, S of Asprokklisia (78); Epirus, Ioannina, R. Zagoritikos, Karies (106); Epirus, Konitsa, Asimohori (109); Epirus, 10 km N of Louros (110); Epirus, S of Seriziana (111); Epirus, W of Kriopigi (114); Epirus, R. Aheron, N of Gliki (115); Epirus, Mirsini (117); Epirus, R. Kokitos, W of Gardiki (119); Epirus, Igoumenitsa, R. Thiamis, Soulopoulo (122); Epirus, Ioannina, Balndouma (124); Central Greece, Etolia, Lamia, Ieraklia (145); Central Greece, Etolia, Vardousia Mts., Paleovraha (151); Central Greece, Etolia, Nafpaktos, 9 km S of Krokilio (152); Central Greece, Etolia, Vardousia Mts., 5 km N of Grammeni Oxia (153); Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia (154); Central Greece, Etolia, Vardousia Mts., Terpsithea (158); Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa (159); Central Greece, Etolia, Vardousia Mts., 6 km S of Lefkada (162); Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki (164); Central Greece, Etolia, Vardousia Mts., Pougkakia (165); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa (171); Central Greece, Etolia, R. Mornos, Nafpaktos (177); Central Greece, Etolia, Agrinio, Panaitoliko Mts., R. Evinos, Agios Dimitros (178); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Central Greece, Etolia, Agrinio, Panaitoliko Mts. R. Trikeriotis, Dermatio (185); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Potamoula (190); Central Greece, Etolia, Lamia, Pavliani (192); Central Greece, Etolia, Agrinio, Ahlavokastro (196); Central Greece, Etolia, Arta, Loutraki (197); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, R. Krathis, Voutsimos (211); Peloponnese, 3 km N of Agia Varvara (213); Peloponnese, R. Krathis, 7 km N of Peristera (214); Peloponnese, tributary of R. Krathis, 7 km N of Peristera (215); Peloponnese, R. Krathis, Peristera (217); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Pagrati (225); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Kato Klitoria (227); Peloponnese, Aroania Mts., Xelmos (above) (228); Peloponnese, R. Piro, Elliniko (230); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (231); Peloponnese, Panachaiko Mts., Leontio (232); Peloponnese, Erymanthos Mts., Lechouri (233); Peloponnese, Panachaiko Mts., Veteika (234); Peloponnese, Erymanthos Mts., Kato Vlasia (235); Peloponnese, Panachaiko Mts., Kounaveika (near village) (236); Peloponnese, Erymanthos Mts., Profitis Ilias (239); Peloponnese, Erymanthos Mts., Stavrohori, Eliniko (241); Peloponnese, Panachaiko Mts., Souli (242); Peloponnese, Erymanthos Mts., Manesi (244); Peloponnese, E of Olympia (247).

Wiedemannia (Eucelidia) zetterstedti (Fallén, 1826)

Literature references. Thrace (Wagner 1981) (36); Macedonia, Olympus Mts., above Agios Dyonysos, Prionia (Wagner 1981) (41); Epirus, Preveza, Zalongu, stream 2 km E of Mirsini (Wagner 1995) (113); North Aegean islands, Samos, below Manolates (Wagner 1981) (125); North Aegean islands, Samos, E of Pirgos (Wagner 1981) (126); North Aegean islands, Lesbos, 1 km SW of Megalochori (Wagner 1981) (129); North Aegean islands, Lesbos, S of Neochorion (Wagner 1981) (133); Central Greece, Euboea, S of Komiton (Wagner 1995) (142); Central Greece, Euboea, Steni Dirfyos (former Ano Steni) (Wagner 1995) (143); Central Greece, Parnassus Mts., above Polydrosos (Wagner 1981) (146); Central Greece, Central Euboea (Wagner 1981) (201); Cyclades islands, Andros, Apikia (Wagner 1981) (208); Peloponnese, Taygetos Mts. (below the summit) (Wagner 1981) (209); Laschtabend (Alpen) (Wagner 1981) (258).

New records. Thrace, E of Mega Derio (1); Thrace, N of Avas (5); Thrace, Sapka Mts. 1 (6); Thrace, Sapka Mts. 2 (8); Thrace, Sapka Mts., Nea Sanda 1 (9); Thrace, Sapka Mts., Nea Sanda 2 (10); Thrace, Anatoliki Rodopi, E od Drimi (11); Thrace, Anatoliki Rodopi, Drimi (12); Thrace, Anatoliki Rodopi, E of Gratini 1 (13); Thrace, Miki (16); Thrace, 8 km N of Sminthi (17); Thrace, N of Xanthi (18); Thrace, N of Dipotama 1 (19); Thrace, N of Dipotama 2 (20); Thrace, Dit. Rodopi, N of Dipotama 1 (21); Thrace, N of Dipotama 3 (22); Thrace, N of Dipotama 5 (24); Thrace, S of Dipotama (27); Thrace, S of Silli (28); Thrace, Dit. Rodopi, Skaloti (29); Thrace, W of Sidironero (34); Thrace, Rodopi, E of Mikromilia (35); Macedonia, E of Mikroklisoura (38); Macedonia, N of Stavros (39); Macedonia, R. Mavroneri, 10 km W of Katerini (40); Macedonia, Pieria Mts., 2 streams on Ritini (42); Macedonia, N of Agios Dimitrios (43); Macedonia, S of Agios Dimitrios (45); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, Pieria Mts., Fteri (47); Macedonia, Pieria Mts., W of Fteri (48); Macedonia, W of Daskio (49); Macedonia, Pieria Mts., 1 (51); Macedonia, Pieria Mts., 2 (52); Macedonia, Pieria Mts., 3 (53); Macedonia, Phalacro Mts., N of Livadero (55); Macedonia, Grevena, 6 km S of Milea (57); Macedonia, Kozani, Polilako (Paraveti), Neapolis (59); Macedonia, Smokilas Mts., main stream near the bridge, 2 km E of Agia Paraskevi (63); Thessaly, Ossa Mts., stream Apataniana (71); Thessaly, S of Kallithea (73); Thessaly, Deskati (76); Thessaly, S of Asprokklisia (78); Thessaly, Kalambaka, Agios Nikolaos (80); Thessaly, Trikala, Kato Palagokaria (82); Thessaly, Kalambaka, 5 km E of Paleochori (83); Thessaly, Kalambaka, Trigona (85); Thessaly, Kalambaka, Koridallos (86); Thessaly, Trikala, Arta, Pahtouri (87); Thessaly, Kalambaka, 4 km S of Ambelia (91); Epirus, Metsovo, 14 km S of Milea (92); Epirus, Metsovo, R. Metsovitikos (99); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (100); Epirus, Ioannina, R. Zagoritikos, Karies (106); Epirus, 10 km N of Louros (110); Epirus, S of Seriziana (111); Epirus, Ioannina, R. Voidomatis, Aristi (112); Epirus, R. Aheron, N of Gliki (115); Epirus, Kanallaki, Skepaston (116); Epirus, Mirsini (117); Epirus, R. Aheron, Gliki (118); Epirus, R. Kokitos, W of Gardiki (119); Epirus, Igoumenitsa, R. Thiamis, Soulopoulo (122); Central Greece, Etolia, Lamia, Ieraklia (145); Central Greece, Etolia, Vardousia Mts., Mousonitsa (149); Central Greece, Etolia, Vardousia Mts., Athanasios Diakos (150); Central Greece, Etolia, Vardousia Mts., Paleovraha (151); Central Greece, Etolia, Nafpaktos, 9 km S of Krokilio (152); Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia (156); Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa (159); Central Greece, Etolia, Vardousia Mts., Elato (161); Central Greece, Etolia, Vardousia Mts., Pougkakia (165); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Etolia, Vardousia Mts., Grigorio (167); Central Greece, Etolia, Vardousia Mts., Ano Chora (169); Central Greece, Etolia, Panaitoliko Mts., Klepa (170); Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa (171); Central Greece, Etolia, Vardousia Mts., 3 km W of Kryoneri (172); Central Greece, Etolia, Vardousia Mts., Kato Chora (173); Central Greece, Etolia, Nafpaktos, Anthofito (174); Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista (176); Central Greece, Etolia, R. Mornos, Nafpaktos (177); Central Greece, Etolia, Nafpaktos, Simos (180); Central Greece, Etolia, Nafpaktos, Pokista (181); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Central Greece, Etolia, Agrinio, R. Evinos, Kato Hrisovitsa, Diasellaki (183); Central Greece, Etolia, Panaitoliko Mts., Chaliki, Ladikon (187); Central Greece, Etolia, Agrinio, Agia Soufia (191); Central Greece, Etolia, Lamia, Pavliani (192); Central Greece, Etolia, Giona Mts., Sikia (194); Central Greece, Oeta Mts., stream Valorema, Pavliani (195); Central Greece, Etolia, Agrinio, Ahlavokastro (196); Central Greece, Etolia, Arta, Loutraki (197); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Palagohori (199); Central Greece, Etolia, Nafpaktos, Avrorema bridge (200); Central Greece, Etolia, Agrinio, Panaitoliko Mts., 3 km N of Hani Lioliou (202); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, Aroania Mts., 2 km S of Zarouchla (212); Peloponnese, Aroania Mts., Zarouhla (220); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Kato Klitoria (227); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (231); Peloponnese, Erymanthos Mts., Lechouri (233); Peloponnese, Panachaiko Mts., Veteika (234); Peloponnese, Panachaiko Mts., Kounaveika (near village) (236); Peloponnese, E of Olympia (247).

Wiedemannia (Philolutra) angelieri Vaillant, 1967

New records. Central Greece, Etolia, Vardousia Mts., Athanasios Diakos (150).

Remarks. This species is newly recorded from Greece.

Wiedemannia (Philolutra) chvali Joost, 1981

New records. Thrace, N of Dipotama 3 (22); Thrace, N of Sidironero 1 (31).

Remarks. This species is newly recorded from Greece.

Wiedemannia (Philolutra) fallaciosa (Loew, 1873)

Literature references. Macedonia, Olympus Mts. above Agios Dyonysos, Prionia (Wagner 1981) (41); Epirus, Preveza, Zalongu, stream 2 km E of Mirsini (Wagner 1995) (113).

New records. Thrace, E of Mega Derio (1); Thrace, Miki (16); Thrace, N of Dipotama 1 (19); Thrace, Dit. Rodopi, Skaloti (29); Macedonia, R. Mavroneri, 10 km W of Katerini (40); Macedonia, Pieria Mts., S of Elatohori (44); Macedonia, S of Agios Dimitrios (45); Macedonia, Pieria Mts., E of Fteri (46); Macedonia, W of Daskio (49); Macedonia, Pieria Mts., 2 (52); Macedonia, E of Velventos (54); Macedonia, Grevena, Milea (56); Macedonia, Grevena, 6 km S of Milea (57); Macedonia, Kozani, Polilako (Paraveti), Neapolis (59); Macedonia, Grevena, R. Venetikos, Kipourio (60); Macedonia, Kastoria, Nestorio (62); Macedonia, Kastoria, Grammos Mts., 7 km S Chrisi (64); Macedonia, Kastoria, Grammos Mts., 6 km N Pefkofito (65); Thessaly, Deskati (76); Thessaly, S of Asprokklisia (78); Thessaly, Trikala, Moshofito, Avra (79); Thessaly, Kalambaka, Agios Nikolaos (80); Thessaly, Trikala, Stournareika (81); Thessaly, Trikala, Kato Palagokaria (82); Thessaly, Kalambaka, 5 km E of Paleochori (83); Thessaly, Kalambaka, Paleochori (84); Thessaly, Kalambaka, Trigona (85); Thessaly, Trikala, Arta, Pahtouri (87); Thessaly, Trikala, Arta, R. Ahelos, Kapsala (88); Thessaly, Trikala, Arta, Korifi (89); Epirus, Metsovo, 14 km S of Milea (92); Epirus, Metsovo, Lakmos Mts., Anilio (5 km S bellow river) (93); Epirus, Metsovo, 12 km W Milea (98); Epirus, Metsovo, R. Metsovitikos (99); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (100); Epirus, Lakmos Mts., 10 km S of Anilio (101); Epirus, Ioannina, Megalo Peristeri (104); Epirus, Ioannina, R. Zagoritikos, Karies (106); Epirus, Konitsa, Asimohori (109); Epirus, 10 km N of Louros (110); Epirus, Ioannina, R. Voidomatis, Aristi (112); Epirus, W of Kriopigi (114); Epirus, R. Aheron, N of Gliki (115); Epirus, Kanallaki, Skepaston (116); Epirus, Mirsini (117); Epirus, R. Kokitos, W of Gardiki (119); Epirus, Ioannina, Balndouma (124); Central Greece, Etolia, Lamia, Ieraklia (145); Central Greece, Etolia, Vardousia Mts., Stromi (148); Central Greece, Etolia, Vardousia Mts., Mousonitsa (149); Central Greece, Etolia, Vardousia Mts., Athanasios Diakos (150); Central Greece, Etolia, Nafpaktos, 9 km S of Krokilio (152); Central Greece, Etolia, Vardousia Mts., 5 km N of Grammeni Oxia (153); Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia (154); Central Greece, Etolia, Vardousia Mts., 9 km N of Grammeni Oxia (155); Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia (156); Central Greece, Etolia, Vardousia Mts., Terpsithea (158); Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa (159); Central Greece, Etolia, Vardousia Mts., Elatovrisi (160); Central Greece, Etolia, Vardousia Mts., Elato (161); Central Greece, Etolia, Vardousia Mts., 6 km S of Lefkada (162); Central Greece, Etolia, Vardousia Mts., Gardiki (163); Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki (164); Central Greece, Etolia, Vardousia Mts., Pougkakia (165); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Etolia, Vardousia Mts., Grigorio (167); Central Greece, Etolia, Panaitoliko Mts., Klepa (170); Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa (171); Central Greece, Etolia, Vardousia Mts., 3 km W of Kryoneri (172); Central Greece, Etolia, Vardousia Mts., Kato Chora (173); Central Greece, Etolia, Nafpaktos, Anthofito (174); Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista (176); Central Greece, Etolia, R. Mornos, Nafpaktos (177); Central Greece, Etolia, Agrinio, Panaitoliko Mts., R. Evinos, Agios Dimitros (178); Central Greece, Etolia, Nafpaktos, 2 km N of Pokista (179); Central Greece, Etolia, Nafpaktos, Simos (180); Central Greece, Etolia, Nafpaktos, Pokista (181); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Central Greece, Etolia, Agrinio, R. Evinos, Kato Hrisovitsa, Diasellaki (183); Central Greece, Etolia, Agrinio, Panaitoliko Mts. R. Trikeriotis, Dermatio (185); Central Greece, Etolia, Lamia, Pavliani (192); Central Greece, Etolia, Giona Mts., Sikia (194); Central Greece, Etolia, Agrinio, Ahlavokastro (196); Central Greece, Etolia, Arta, Loutraki (197); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Palagohori (199); Central Greece, Etolia, Nafpaktos, Avrorema bridge (200); Central Greece, Etolia, Agrinio, Panaitoliko Mts., 3 km N of Hani Lioliou (202); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, R. Krathis, Voutsimos (211); Peloponnese, 3 km N of Agia Varvara (213); Peloponnese, R. Krathis, 7 km N of Peristera (214); Peloponnese, tributary of R. Krathis, 7 km N of Peristera (215); Peloponnese, 2 km N of Peristera (216); Peloponnese, R. Krathis, Peristera (217); Peloponnese, Ano Potames, Kalivitis (219); Peloponnese, Aroania Mts., Zarouhla (220); Peloponnese, Likouria (under the village) (222); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Kato Klitoria (227); Peloponnese, Aroania Mts., Xelmos (above) (228); Peloponnese, R. Piro, Elliniko (230); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (231); Peloponnese, Panachaiko Mts., Leontio (232); Peloponnese, Erymanthos Mts., Lechouri (233); Peloponnese, Panachaiko Mts., Veteika (234); Peloponnese, Erymanthos Mts., Kato Vlasia (235); Peloponnese, Panachaiko Mts., Kounaveika (near village) (236); Peloponnese, Panachaiko Mts., Moira (237); Peloponnese, Panachaiko Mts., Moira (after village) (238); Peloponnese, Panachaiko Mts., Souli (242); Peloponnese, Abelokipi (246); Peloponnese, E of Olympia (247).

Wiedemannia (Pseudowiedemannia) lamellata (Loew, 1869)

Literature references. Thessaly, Karya (Wagner 1981) (72); North Aegean islands, Lesbos, 1 km W of Ippion (Wagner 1981) (128).

New records. Thrace, Sapka Mts., Nea Sanda 1 (9); Thrace, Anatoliki Rodopi, E od Drimi (11); Thrace, Anatoliki Rodopi, Drimi (12); Thrace, Anatoliki Rodopi, E of Gratini 1 (13); Thrace, 8 km N of Sminthi (17); Thrace, S of Silli (28); Thrace, Dit. Rodopi, Skaloti (29); Thrace, Dit. Rodopi 1 (30); Thrace, N of Sidironero 1 (31); Thrace, Dit. Rodopi 2 (32); Thrace, N of Sidironero 2 (33); Thrace, W of Sidironero (34); Macedonia, N of Stavros (39); Macedonia, R. Mavroneri, 10 km W of Katerini (40); Macedonia, Phalacro Mts., N of Livadero (55); Macedonia, Kozani, Polilako (Paraveti), Neapolis (59); Thessaly, Trikala, Kato Palagokaria (82); Thessaly, Kalambaka, 5 km E of Paleochori (83); Thessaly, Kalambaka, Paleochori (84); Thessaly, Kalambaka, Koridallos (86); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (100); Epirus, Ioannina, R. Vardas, Abelos (123); Central Greece, Etolia, Lamia, Ieraklia (145); Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia (156); Central Greece, Etolia, Vardousia Mts., 7 km S of Gardiki (157); Central Greece, Etolia, Vardousia Mts., Terpsithea (158); Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki (164); Central Greece, Etolia, Vardousia Mts., Pougkakia (165); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Megali Chora (193); Central Greece, Etolia, Nafpaktos, Avrorema bridge (200); Peloponnese, Aroania Mts., Kalivia (223); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (231); Peloponnese, Panachaiko Mts., Leontio (232); Peloponnese, Erymanthos Mts., Lechouri (233); Peloponnese, Panachaiko Mts., Veteika (234); Peloponnese, Erymanthos Mts., Kato Vlasia (235); Peloponnese, Panachaiko Mts., Kounaveika (near village) (236); Peloponnese, Erymanthos Mts., Manesi (244); Peloponnese, E of Olympia (247).

Wiedemannia (Pseudowiedemannia) microstigma (Bezzi, 1904)

New records. Thessaly, Trikala, Kato Palagokaria (82); Central Greece, Etolia, Vardousia Mts., Stromi (148).

Wiedemannia (Roederella) czernyi (Bezzi, 1905)

Literature references. Macedonia, Chalkidiki, Chlomon Oros., Paleokastron, Vatonia P. 1 (Wagner 1995) (66).

New records. Thrace, E of Sapka Mts., big stream in the valley (4); Macedonia, Chalkidiki, Chlomon Oros., Paleokastron, Vatonia P. 2 (67).

Wiedemannia (Wiedemannia) andreevi Joost, 1982

New records. Thrace, S of Silli (28).

Wiedemannia (Wiedemannia) bilobata Oldenberg, 1910

Literature references. Macedonia, Olympus Mts. above Agios Dyonysos, Prionia (Wagner 1981) (42); Central Greece, Parnassus Mts., above Polydrosos (Wagner 1981) (146).

Wiedemannia (Wiedemannia) dinarica Engel, 1940

New records. Epirus, Ioannina, R. Voidomatis, Aristi (112); Epirus, R. Aheron, N of Gliki (115); Epirus, R. Aheron, Gliki (118); Peloponnese, Likouria (under the village) (222); Peloponnese, Aroania Mts., Krinofita (224); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Kato Klitoria (227).

Wiedemannia (Wiedemannia) dyonysica Wagner, 1990

Literature references. Macedonia, Olympus Mts. above Agios Dyonysos, Prionia (Wagner 1990) (41).

Wiedemannia (Wiedemannia) graeca Vaillant & Wagner, 1990

Literature references. Central Greece, Polydrosos (Vaillant and Wagner 1990) (144).

New records. Thrace, Rodopi, Skaloti (29); Thessaly, Trikala, Stournareika (81); Thessaly, Kalambaka, 5 km E of Paleochori (83); Thessaly, Kalambaka, Paleochori (84); Thessaly, Trikala, Arta, R. Ahelos, Kapsala (88); Epirus, Metsovo, Lakmos Mts., 2 km S of Anilio (bellow left tributary) (97); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (100); Central Greece, Etolia, Vardousia Mts., Stromi (148).

Wiedemannia (Wiedemannia) tricuspidata (Bezzi, 1905)

New records. Thrace, S of Silli (28); Macedonia, Grevena, R. Venetikos, Kipourio (60); Macedonia, Kastoria, Grammos Mts., 7 km S Chrisi (64); Thessaly, Trikala, Longiai (77); Thessaly, Trikala, Kato Palagokaria (82); Epirus, Konitsa, R. Saradaporos, Drosopigi (108); Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa (159); Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa (171); Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista (176); Central Greece, Etolia, R. Mornos, Nafpaktos (177); Central Greece, Etolia, Agrinio, Panaitoliko Mts., R. Evinos, Agios Dimitros (178); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182).

Wiedemania artemisa Ivković & Plant, 2012

Literature references. Thessaly, Trikala, Kato Palagokaria (Ivković et al. 2012) (82); Thessaly, Trikala, Arta, Pahtouri (Ivković et al. 2012) (87); Thessaly, Trikala, Arta, R. Ahelos, Kapsala (Ivković et al. 2012) (88); Thessaly, Trikala, Arta, Korifi (Ivković et al. 2012) (89); Epirus, Metsovo, Lakmos Mts., Anthohori, (bellow rapid river) (Ivković et al. 2012) (100); Epirus, Igoumenitsa, R. Thiamis, Soulopoulo (Ivković et al. 2012) (122); Central Greece, Etolia, Lamia, Ieraklia (Ivković et al. 2012) (145); Central Greece, Etolia, Vardousia Mts., 7 km S of Gardiki (Ivković et al. 2012) (157); Central Greece, Etolia, Vardousia Mts., Pougkakia (Ivković et al. 2012) (165); Peloponnese, R. Krathis, Voutsimos (Ivković et al. 2012) (211); Peloponnese, R. Krathis, Peristera (Ivković et al. 2012) (217); Peloponnese, Likouria (under the village) (Ivković et al. 2012) (222); Peloponnese, Aroania Mts., Kastria (Ivković et al. 2012) (226); Peloponnese, Kato Klitoria (Ivković et al. 2012) (227); Peloponnese, Panachaiko Mts., tributory of R. Selinous, Leontio (Ivković et al. 2012) (231); Peloponnese, Panachaiko Mts., Leontio (Ivković et al. 2012) (232); Peloponnese, Panachaiko Mts., Veteika (Ivković et al. 2012) (234); Peloponnese, Panachaiko Mts., Souli (Ivković et al. 2012) (242).

New records. Thessaly, Kalambaka, 4 km S of Ambelia (91); Epirus, Metsovo, Lakmos Mts., 2 km S of Anilio (bellow left tributary) (97); Epirus, Konitsa, Smolikas Mts., Pournia (107); Epirus, Mirsini (117); Central Greece, Etolia, Vardousia Mts., Stromi (148); Central Greece, Etolia, Vardousia Mts., Athanasios Diakos (150); Central Greece, Etolia, Nafpaktos, 9 km S of Krokilio (152); Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia (154); Central Greece, Etolia, Vardousia Mts., 7 km N of Grammeni Oxia (156); Central Greece, Etolia, Vardousia Mts., Terpsithea (158); Central Greece, Etolia, Nafpaktos, R. Mornos, Limnitsa (159); Central Greece, Etolia, Vardousia Mts., 13 km S of Gardiki (164); Central Greece, Etolia, Vardousia Mts., 2 km W of Gardiki (166); Central Greece, Etolia, Vardousia Mts., Grigorio (167); Central Greece, Etolia, Vardousia Mts., Kato Chora (173); Central Greece, Karpenisi, Agios Nikolaos (175); Central Greece, Etolia, Nafpaktos, tributory of R. Evinos, 6 km N of Pokista (176); Central Greece, Etolia, Nafpaktos, Pokista (181); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Central Greece, Etolia, Panaitoliko Mts., Prousos (186); Central Greece, Etolia, Panaitoliko Mts., Chaliki, Ladikon (187); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Anatoliki Frangista (189); Central Greece, Etolia, Lamia, Pavliani (192); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Megali Chora (193); Central Greece, Etolia, Agrinio, Panaitoliko Mts., Houni (198); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, 3 km N of Agia Varvara (213); Peloponnese, R. Krathis, 7 km N of Peristera (214).

Wiedemannia iphigeniae Ivković & Sinclair, sp. n.

Records. Peloponnese, Aroania Mts., Krinofita (224).

Wiedemannia ljerkae Ivković & Sinclair, sp. n.

Records. Epirus, Igoumenitsa, R. Thiamis, Soulopoulo (122); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Peloponnese, Aroania Mts., Kastria (226); Peloponnese, Kato Klitoria (227).

Wiedemannia nebulosa Ivković & Sinclair, sp. n.

Records. Thrace, N of Dipotama 5 (24).

Wiedemannia pseudoberthelemyi Ivković & Sinclair, sp. n.

Records. Central Greece, Etolia, Vardousia Mts., R. Evinos, Grammeni Oxia (154); Central Greece, Etolia, R. Mornos, Nafpaktos (177); Central Greece, Panaitoliko Mts., R. Tavropos, Kalesmeno (184); Central Greece, Etolia, Agrinio, Agia Soufia (191).

Subfamily Hemerodromiinae

Chelifera angusta Collin, 1927

New records. North Aegean islands, Lesbos (141).

Remarks. This species is newly recorded from Greece.

Chelifera barbarica Vaillant, 1982

Literature references. Dodecanese islands, Rhodes, near Archipolis (Wagner 1995) (205).

Chelifera horvati Ivković & Sinclair, sp. n.

Records. Central Greece, Etolia, Arta, Loutraki (197).

Chelifera precabunda Collin, 1961

New records. Thrace, Sapka Mts., 1 (6); Thrace, Dit. Rodopi, Skaloti (29); Thrace, Rodopi, E of Mikromilia (35); Macedonia, Pieria Mts., E of Velventos (50); Peloponnese, R. Krathis, 7 km N of Peristera (214).

Chelifera precatoria (Fallén, 1816)

Literature references. Crete, Georgioupolis (Wagner 1981) (255).

Chelifera stigmatica (Schiner, 1862)

Literature references. North Aegean islands, Samos, E of Pirgos (Wagner 1981) (126).

New records. Thrace, N of Sidironero 2 (33); Thessaly, Trikala, Kato Palagokaria (82); Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115); Central Greece, Etolia, Vardousia Mts., Stromi (148); Central Greece, Etolia, Panaitoliko Mts., R. Evinos, Klepa (171); Central Greece, Etolia, Agrinio, Peristra, 1 km S of Perkos (182); Central Greece, Etolia, Nafpaktos, Koutsopanneika (203); Peloponnese, Erymanthos Mts., Stavrohori, Eliniko (241); Peloponnese, E of Olympia (247).

Chelifera trapezina (Zetterstedt, 1838)

Literature references. North Aegean islands, Samos, E of Pirgos (Wagner 1981) (126).

Hemerodromia melangyna Collin, 1927

New records. Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115).

Remarks. This species is newly recorded from Greece.

Hemerodromia oratoria (Fallén, 1816)

Literature references. Peloponnese, Ano Kastritsi, stream (Wagner 1995) (240).

New records. Thrace, Lesitse Mts. (3); Thrace, Anatoliki Rodopi, E od Drimi (11); Thrace, Anatoliki Rodopi, Drimi (12); Thrace, Miki (16); Thrace, 8 km N of Sminthi (17); Epirus, 10 km N of Louros (110); Epirus, W of Kriopigi (114); Epirus, Mirsini (117); Central Greece, Etolia, Lamia, Ieraklia (145).

Hemerodromia unilineata Zetterstedt, 1842

Literature references. Thessaly, Portaria (Wagner 1995) (70).

New records. Thrace, Anatoliki Rodopi, E od Drimi (11); Thrace, Anatoliki Rodopi, Drimi (12); Thrace, Anatoliki Rodopi, E of Gratini, 1 (13); Thrace, 8 km N of Sminthi (17); Thrace, S of Silli (28); Thrace, W of Sidironero (34); Macedonia, E of Mikroklisoura (38); Macedonia, W of Daskio (49); Epirus, 10 km N of Louros (110); Epirus, R. Aheron, N of Gliki (115); Epirus, Mirsini (117); Epirus, R. Kokitos, Themelo (120); Epirus, Igoumenitsa, Thesprotia, R. Thiamis, Neohori (121).

Results and discussion

Species richness and assemblage composition. A total of 47 species of aquatic empidids are recorded from Greece (Table 2), collected from 258 sites (Fig. 1, Table 1). The subfamily Clinocerinae is represented by 37 species, in seven genera: Clinocera Meigen (3 species), Clinocerella Engel (1 species), Dolichocephala Macquart (5 species), Kowarzia Mik (4 species), Phaeobalia (1 species), Roederiodes Coquillett (1 species) and Wiedemannia Zetterstedt (22 species). The subfamily Hemerodromiinae is represented by 10 species, in two genera: Chelifera (7 species) and Hemerodromia Meigen (3 species) (Table 2). The Clinocerinae genus Wiedemannia is most species rich (46.8%), followed by the Hemerodromiinae genus Chelifera (14.9%) (Fig. 13). The Hellenic Western Balkan (Ecoregion 6) is the richest European Ecoregion with 42 species, while 20 species are recorded from the Eastern Balkan (Ecoregion 7), and 15 species occur in both ecoregions (Table 2). Most aquatic Empididae inhabiting Greece are widely distributed in Europe or more broadly, but 10 species are only known from mainland Greece or its islands (Table 2).

Figure 13. 

Species richness of aquatic Empididae genera from Greece.

Greece supports at least 47 species, but this is unlikely to be the final number. Slovenia, situated in the northwest part of the Balkans, supports 58 species, Croatia 51 species, while Bosnia & Herzegovina, Montenegro and FYR Macedonia have 38, 34 and 34, respectively (Fig. 14). The Sørensen Index of Similarity showed that the Empididae fauna of Greece is most similar to that of FYR Macedonia followed by Bosnia & Herzegovina, whereas it is the least similar to that of Montenegro (Table 3).

Sørensen Index of Similarity between aquatic dance fly assemblages of studied Balkan countries in relation to Greece. Abbreviations: SLO = Slovenia, HR = Croatia, B&H = Bosnia & Herzegovina, MN = Montenegro, FYRM = FYR Macedonia, GR = Greece.

SLO HR B&H MN FYRM GR
SLO 0
HR 71.56 0
B&H 54.16 62.92 0
MN 41.3 61.17 61.11 0
FYRM 47.83 56.47 61.11 52.94 0
GR 45.71 48.97 51.76 34.56 51.85 0

We compared our list of Greek species with existing checklists in “Fauna Europaea” (Chvála 2012) and the World Catalogue of Empididae (Yang et al. 2007). The following species were not recorded from Greece in both these works: Chelifera angusta and Hemerodromia melangyna from the subfamily Hemerodromiinae, and Clinocera megalatlantica, Kowarzia plectrum, Phaeobalia dimidiata, W. (Chamaedipsia) beckeri, W. (Philolutra) angelieri and W. (P.) chvali from the subfamily Clinocerinae. They represent new country records. On the other hand, some species that are listed in Chvála (2012) and Yang et al. (2007) are not included in the present checklist. We omitted Wiedemannia (Philolutra) hygrobia (Loew) because its presence has not been confirmed in Greece. However, it is possible that it does occur in Greece as it is present in surrounding countries (Chvála 2012, Horvat 1995b, 1997) and consequently it was included in the above key to species. Altogether, 13 species (including the new species) are recorded for the first time from Greece. The species richness of both subfamilies varies between European Ecoregions.

Clinocerinae show greater species richness in mountainous areas of Europe (Vaillant 1982, Wagner and Gathmann 1996), and they are also more species rich in streams and rivers in the Balkans (Horvat 1993, 1995b, 1997, Ivković et al. 2007, 2010, 2012, 2013a, 2013b, 2014).

Comparison with neighbouring faunas. Greece has been divided into two ecoregions: Hellenic Western Balkan (Ecoregion 6) and Eastern Balkan (Ecoregion 7). The higher species richness is in the Hellenic Western Balkan Ecoregion, but the Eastern Balkan Ecoregion in Greece is much smaller, so this was an expected result. Greece supports at least 47 species, of which 10 are currently endemic to the country (Dolichocephala cretica, D. vaillanti, Clinocerella siveci, Roederiodes malickyi, Wiedemannia (W.) graeca, W. iphigeniae, W. ljerkae, W. nebulosa, W. pseudoberthelemyi, Chelifera horvati). The higher number of species recorded for Slovenia and the far fewer species recorded, for instance, in Montenegro, FYR Macedonia and Bosnia & Herzegovina should be viewed with caution. Slovenia was well studied (Horvat 1995a) in comparison to other Balkan countries, which were only studied sporadically (Horvat 1993, 1995b, 1997, Ivković et al. 2012, 2013b, 2014).

Our comparison of Sørensen Similarity indices shows that the FYR Macedonia assemblage has the greatest similarity with the Greek assemblage. This was expected since FYR Macedonia borders with Greece, so they have many species in common. The lowest similarity is with Montenegro, which was not expected as it is geographically much closer to Greece, but this could be due to undersampling of that country (Ivković et al. 2014).

Figure 14. 

Comparison of the Greek aquatic Empididae assemblage with those of other Balkan countries.

Concluding remarks

The Greek aquatic Empididae fauna is composed of exclusively Palearctic taxa with the exception of C. stagnalis, which is the most widespread clinocerine (known from North America, Asia, and North Africa) (Sinclair 2008). Most of the species are restricted to Europe or South Europe and some of them are only found in the Balkans and Greek islands (e.g., Dolichocephala zwicki, Wiedemannia (Chamaedipsia) ariadne, W. (Pseudowiedemannia) microstigma, W. (Wiedemannia) dinarica and W. artemisa). Some species have a small area of distribution, occurring in just one or a few sites (e.g., Chelifera horvati, Clinocerella siveci, Dolichocephala cretica, D. vaillanti, Roederiodes malickyi, Wiedemannia (W.) graeca, W. iphigeniae, W. ljerkae, W. nebulosa and W. pseudoberthelemyi), and can be considered as Greek endemics.

There are still some genera of Clinocerinae and Hemerodromiinae that have not been recorded in Greece and that might be present, as they occur in surrounding countries (e.g., Bergenstammia Mik, Chelipoda Macqaurt and Phyllodromia Zetterstedt). Within Greece, most species were reported from the Hellenic Western Balkan Ecoregion; this was expected as this European Ecoregion covers most of the surface area of the country (Illies 1978) and it is considered a biodiversity hotspot (Kryštufek and Reed 2004). The checklist presented here only includes species for which good evidence exists of their presence in Greece. As explained previously, we have omitted any ambiguous or doubtful data and references. This paper may serve as a baseline for planning future work in Greece, but also in surrounding countries for which knowledge of the aquatic dance fly fauna is poor, such as Albania, Bulgaria and Turkey.

Acknowledgements

We would like to thank Dr Ignac Sivec, Dr Hans Malicky and Dr Reinhard Gerecke who helped collect some of the specimens; without their help this paper would lack some of its data. We would like to thank Dr Igor Stanković for his help with the ArcGIS software and the making of the map. We would like to thank the Slovenian Museum of Natural History and curator Dr Tomi Trilar for giving us access to the collection. Jessica Hsiung (CNC) kindly inked the genitalia illustrations.

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