Latest Articles from ZooKeys Latest 7 Articles from ZooKeys https://zookeys.pensoft.net/ Fri, 29 Mar 2024 13:03:48 +0200 Pensoft FeedCreator https://zookeys.pensoft.net/i/logo.jpg Latest Articles from ZooKeys https://zookeys.pensoft.net/ Identification key to and checklist of the Swedish Phlaeothripidae (Thysanoptera) https://zookeys.pensoft.net/article/83011/ ZooKeys 1096: 161-187

DOI: 10.3897/zookeys.1096.83011

Authors: Emma Wahlberg, Carl-Axel Gertsson

Abstract: The Swedish fauna of thrips (Thysanoptera) in the family Phlaeothripidae consists of 49 species. A key to the species of Phlaeothripidae found in Sweden is provided. One species is recorded as new for the country, and 10 new regional records are presented. A checklist of all Swedish tubuliferan species with regional distributions is also given.

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Research Article Mon, 18 Apr 2022 12:07:10 +0300
Notes on the taxonomic status and distribution of some Cylindrotomidae (Diptera, Tipuloidea), with emphasis on Japanese species https://zookeys.pensoft.net/article/75624/ ZooKeys 1083: 13-88

DOI: 10.3897/zookeys.1083.75624

Authors: Levente-Péter Kolcsár, Nikolai Paramonov, Yume Imada, Daichi Kato, Maribet Gamboa, Dai Shinoka, Makoto Kato, Kozo Watanabe

Abstract: A morphological and molecular study of 17 Cylindrotomidae species revealed that the two subspecies of Cylindrotoma distinctissima, the Nearctic C. americana Osten Sacken, 1865, stat. reval. and the Palearctic C. distinctissima (Meigen, 1818), represent separated lineages and consequently are raised to species level. Cylindrotoma japonica Alexander, 1919, syn. nov. and C. distinctissima alpestris Peus, 1952, syn. nov. are now known to be junior synonyms of C. distinctissima. Triogma kuwanai limbinervis Alexander, 1953, syn. nov. and T. nimbipennis Alexander, 1941, syn. nov. are now placed into synonymy under Triogma kuwanai (Alexander, 1913). The Japanese Cylindrotomidae are all redescribed and all available literature and distribution data are summarised. Supplementary descriptions and illustrations for male and female terminalia of Cylindrotoma nigriventris Loew, 1849, Diogma dmitrii Paramonov, 2005, Liogma nodicornis (Osten Sacken, 1865), Phalacrocera replicata (Linnaeus, 1758), P. tipulina Osten Sacken, 1865, and Triogma trisulcata (Schummel, 1829) are provided. The following new distribution records are outlined; Diogma caudata Takahashi, 1960 from Arkhangelsk Oblast, Russia; D. glabrata (Meigen, 1818) from Belarus, Latvia, and Altai Republic, Amur Oblast, Novgorod Oblast, Magadan Oblast, Samara Oblast, and Kuril Islands (Shikotan I and Paramushir I) in Russia; Liogma serraticornis Alexander, 1919 from Khabarovsk Krai, Russia; Phalacrocera replicata from Khabarovsk Krai, Russia; and the presence of Cylindrotoma nigriventris in Altai Republic, Russia is confirmed.

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Research Article Mon, 24 Jan 2022 10:24:07 +0200
Revision of the Palaearctic Gasteruption assectator aggregate, with special reference to Sweden (Hymenoptera, Gasteruptiidae) https://zookeys.pensoft.net/article/8857/ ZooKeys 615: 73-94

DOI: 10.3897/zookeys.615.8857

Authors: Niklas Johansson, Cornelis van Achterberg

Abstract: The Palaearctic species of the Gasteruption assectator aggregate (Hymenoptera, Gasteruptiidae) are revised and three species are recognised. Two species are re-instated: Gasteruption boreale (Thomson, 1883), stat. n. and G. nigritarse (Thomson, 1883), stat. n., and both are excluded from the synonymy with G. assectator (Linnaeus, 1758). The general distribution of both species is given for Europe and in detail for Sweden. A key to the valid Palaearctic species of the Gasteruption assectator aggregate is given; key characters and primary types are illustrated. Four new synonyms are listed: Foenus fumipennis Thomson, 1883, Trichofoenus breviterebrae Watanabe, 1934, and Gasteruption margotae Madl, 1987, are synonymized with Gasteruption boreale (Thomson, 1883) and Gasteruption brevicauda Kieffer, 1904, with G. undulatum (Abeille de Perrin, 1879).

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Research Article Wed, 7 Sep 2016 22:44:26 +0300
Species delimitation in northern European water scavenger beetles of the genus Hydrobius (Coleoptera, Hydrophilidae) https://zookeys.pensoft.net/article/6558/ ZooKeys 564: 71-120

DOI: 10.3897/zookeys.564.6558

Authors: Erlend Fossen, Torbjørn Ekrem, Anders Nilsson, Johannes Bergsten

Abstract: The chiefly Holarctic Hydrobius species complex (Coleoptera, Hydrophilidae) currently consists of H. arcticus Kuwert, 1890, and three morphological variants of H. fuscipes (Linnaeus, 1758): var. fuscipes, var. rottenbergii and var. subrotundus in northern Europe. Here molecular and morphological data are used to test the species boundaries in this species complex. Three gene segments (COI, H3 and ITS2) were sequenced and analyzed with Bayesian methods to infer phylogenetic relationships. The Generalized Mixed Yule Coalescent (GMYC) model and two versions of the Bayesian species delimitation method BPP, with or without an a priori defined guide tree (v2.2 & v3.0), were used to evaluate species limits. External and male genital characters of primarily Fennoscandian specimens were measured and statistically analyzed to test for significant differences in quantitative morphological characters. The four morphotypes formed separate genetic clusters on gene trees and were delimited as separate species by GMYC and by both versions of BPP, despite specimens of H. f. var. fuscipes and H. f. var. subrotundus being sympatric. H. arcticus and H. f. var. rottenbergii could only be separated genetically with ITS2, and were delimited statistically with GMYC on ITS2 and with BPP on the combined data. In addition, six or seven potentially cryptic species of the H. fuscipes complex from regions outside northern Europe were delimited genetically. Although some overlap was found, the mean values of six male genital characters were significantly different between the morphotypes (p < 0.001). Morphological characters previously presumed to be diagnostic were less reliable to separate H. f. var. fuscipes from H. f. var. subrotundus, but characters in the literature for H. arcticus and H. f. var. rottenbergii were diagnostic. Overall, morphological and molecular evidence strongly suggest that H. arcticus and the three morphological variants of H. fuscipes are separate species and Hydrobius rottenbergii Gerhardt, 1872, stat. n. and Hydrobius subrotundus Stephens, 1829, stat. n. are elevated to valid species. An identification key to northern European species of Hydrobius is provided.

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Monograph Tue, 16 Feb 2016 13:14:11 +0200
An illustrated key to the cuckoo wasps (Hymenoptera, Chrysididae) of the Nordic and Baltic countries, with description of a new species https://zookeys.pensoft.net/article/6164/ ZooKeys 548: 1-116

DOI: 10.3897/zookeys.548.6164

Authors: Juho Paukkunen, Alexander Berg, Villu Soon, Frode Ødegaard, Paolo Rosa

Abstract: The Chrysididae are a group of cleptoparasitic and parasitoid aculeate wasps with a large number of rare and endangered species. The taxonomy of this group has long been confusing due to the similarity of species and extensive intraspecific variation. We present for the first time a comprehensive dichotomous key for all 74 species found in the Nordic and Baltic countries. In addition to diagnostic characters, information on the distribution and biology of each species is also presented. A new species, Chrysis borealis Paukkunen, Ødegaard & Soon, sp. n. is described on the basis of specimens collected from Fennoscandia. Chrysis gracillima Förster, 1853 is recorded as new to the Nordic and Baltic countries.

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Review Article Wed, 23 Dec 2015 16:34:24 +0200
A new species group in Megaselia, the lucifrons group, with description of a new species (Diptera, Phoridae) https://zookeys.pensoft.net/article/5578/ ZooKeys 512: 89-108

DOI: 10.3897/zookeys.512.9494

Authors: Sibylle Häggqvist, Sven Olof Ulefors, Fredrik Ronquist

Abstract: With 1,400 described species, Megaselia is one of the most species-rich genera in the animal kingdom, and at the same time one of the least studied. An important obstacle to taxonomic progress is the lack of knowledge concerning the phylogenetic structure within the genus. Classification of Megaselia at the level of subgenus is incomplete although Schmitz addressed several groups of species in a series of monographs published from 1956 to 1981. Another problem is the lack of molecular phylogenetic analyses to support morphology-based conclusions. As a contribution towards addressing these problems, we here circumscribe a previously unrecognized monophyletic lineage of Megaselia consisting of species similar to M. lucifrons. We base this taxonomic decision on morphological study of an extensive phorid material from Sweden, complemented by molecular analyses of select exemplars using two markers (COI and 28S). We name the clade the lucifrons species group, and show that it contains three distinct species. Our results also demonstrate that Megaselia subnitida Lundbeck, 1920, previously treated as a synonym of M. lucifrons Schmitz, 1918, is a separate species, and we remove it from synonymy. The third species in the group was previously unknown; we describe it here as M. albalucifrons sp. n.

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Research Article Mon, 6 Jul 2015 00:00:00 +0300
Katatopygia gen. n., a monophyletic branch segregated from Boletina (Diptera, Mycetophilidae) https://zookeys.pensoft.net/article/2555/ ZooKeys 175: 37-67

DOI: 10.3897/zookeys.175.2388

Authors: Svante Martinsson, Jostein Kjaerandsen

Abstract: The genus Katatopygia gen. n. is proposed for the Boletina erythropyga/punctus-group that was first introduced by Garrett (1924, 1925) and currently comprises eight described species. Molecular studies have strongly indicated that this group forms a monophyletic sister-group to a clade consisting of all other Boletina, Coelosia and Gnoriste, and its monophyly is supported by morphological data as well. The new genus includes the following species: Katatopygia antoma (Garrett, 1924), comb. n., Katatopygia antica (Garrett, 1924), comb. n., Katatopygia erythropyga (Holmgren, 1883), comb. n., Katatopygia hissarica (Zaitzev & Polevoi, 2002), comb. n., Katatopygia magna (Garrett, 1925), comb. n., Katatopygia laticauda (Saigusa, 1968), comb. n., Katatopygia neoerythropyga (Zaitzev & Polevoi, 2002), comb. n. and Katatopygia sahlbergi (Lundström, 1906), comb. n., all transferred from Boletina. K. sahlbergi is found to be a senior synonym of Boletina punctus Garrett, 1925, syn. n. A phylogeny based on morphological data and using parsimony analysis yielded four most parsimonious trees where the new genus is retrieved as monophyletic with high support. Katatopygia neoerythropyga is found to be the sister-taxon to all other species that form two clades, one with K. sahlbergi-like species and one with K. erythropyga-like species. A key to males of Katatopygia is provided.

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Research Article Fri, 16 Mar 2012 00:00:00 +0200