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Research Article
Gelechia omelkoi sp. nov. – a new species from the Russian Altai Mountains related to the Nearctic Gelechia mandella Busck, 1904 (Lepidoptera, Gelechiidae), with a synopsis of Gelechia from the Altai Republic of Russia
expand article infoOleksiy Bidzilya, Peter Huemer§, Jean-François Landry|, Jan Šumpich
‡ Institute for Evolutionary Ecology of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
§ Tiroler Landesmuseen Betriebsges.m.b.H., Natural History Collections, Innsbruck, Austria
| Canadian National Collection of Insects, Ottawa, Canada
¶ National Museum, Praha, Czech Republic
Open Access

Abstract

Gelechia omelkoi sp. nov. is described from the Ukok plateau and South Chuisky ridge in the Altai Mountains of Russia. The adult of the new species, including its male genitalia, is illustrated and compared with species most similar in morphology and DNA barcodes—G. sororculella (Hübner, 1817) and G. jakovlevi Krulikovsky, 1905 from the Palaearctic region, as well as G. mandella Busck, 1904 from Canada. This last species is redescribed based on adult specimens, including the genitalia of both sexes, and a lectotype is designated. Gelechia sirotina Omelko, 1986 is recorded from the Altai Republic for the first time. An updated list of six species of Gelechia from the Altai Mountains of Russia is given. Dorsal habitus photographs of all species are provided. The male genitalia of the lectotype of G. jakovlevi is illustrated for the first time.

Keywords

Canada, distribution, DNA barcoding, Nearctic Region, new records, Palaearctic Region, Russia

Introduction

During a collecting trip to the Altai Mountains in 1995, the first author collected a short series of uniformly greyish-black Gelechiidae. Despite some differences in the male genitalia and external appearance, they were identified by OB as G. sororculella (Hübner, 1817), and introduced under this name in a list of Lepidoptera collected on the Ukok plateau (Bidzilya et al. 2002). Six years later, seven additional males were collected in the same locality, and two males of G. sororculella were found in adjacent territories in the Kosh-Agach region. In 2016, two additional males were collected in Ukok by PH, and in 2017 another five males were collected at South Chuiski ridge, within the Kosh-Agach district, by JŠ. DNA barcoding of one of these specimens indicated that specimens from the Ukok plateau represented a new species (Huemer et al. 2017), with 5.94% minimum distance to the nearest Palaearctic species, G. sororculella, and 2.88% minimum distance to the nearest Nearctic species, G. mandella Busck, 1904. This last species was described from British Columbia, Canada, but it had since then not been treated in the taxonomic literature. The examination of adults during this study, particularly their genitalia, indicated its similarity to the new species from Altai as well as to G. sororculella and G. jakovlevi Krulikovsky, 1905. The new species from the Altai Mountains of Russia is described here as G. omelkoi sp. nov. A lectotype is designated for G. mandella, which is redescribed based on additional material, with male and female genitalia illustrated for the first time. Both species are compared with the Palaearctic species G. sororculella and G. jakovlevi. We also provide an updated list of Gelechia species known from the Altai Republic of Russia, with additional distributional information including the first record of G. sirotina Omelko, 1986.

Material and methods

Specimens of the new species were collected at light as well as by sweeping during daytime or at early sunrise around shrubs of Salix spp. JŠ collected all specimens with portable light traps equipped with 8W ultraviolet lamps.

The studied material is deposited in the following collections:

CBG Centre for Biodiversity Genomics, University of Guelph, Ontario, Canada

CNC Canadian National Collection of Insects, Arachnids, and Nematodes, Ottawa, Canada

NMPC National Museum, Prague, Czech Republic

TLMF Tiroler Landesmuseum Ferdinandeum, Innsbruck, Austria

USNM United States National Museum,Washington, D.C., USA

ZIN Zoological Institute, Russian Academy of Sciences, Saint-Petersburg, Russia

ZMKU Zoological Museum, Kyiv National Taras Shevchenko University, Kyiv, Ukraine

Male and female genitalia were dissected and prepared using standard methods for Gelechiidae (Landry 2007; Huemer and Karsholt 2010). Slide-mounted genitalia were prepared and photographed as described by Landry et al. (2013) and Bidzilya et al. (2020).

The descriptive terminology largely follows Huemer and Karsholt (1999), except cucullus instead of valva and phallus instead of aedeagus.

DNA Barcoding

A tissue sample from a specimen of Gelechia omelkoi sp. nov. was successfully processed at the Canadian Centre for DNA Barcoding (CBG, Biodiversity Institute of Ontario, University of Guelph) (deWaard et al. 2008), resulting in a 658 base-pair full DNA barcode segment of the mitochondrial COI gene (cytochrome c oxidase 1). Complementary public sequences of G. mandella (n=13), G. sororculella (n=17) and G. rhombella (n=10) from BOLD systems v. 4.0. (http://www.boldsystems.org; Ratnasingham and Hebert 2007) were used for analysis (Table 1). Degrees of intra- and interspecific variation of DNA barcode fragments were calculated under the Kimura 2-parameter model of nucleotide substitution using the analytical tools of BOLD. A neighbor-joining tree of DNA barcode data of selected taxa (Table 1) was constructed using MEGA 6 (Tamura et al. 2013) under the Kimura 2 parameter model for nucleotide substitutions.

Table 1.

Analysed specimens of Gelechia spp. from BOLD

Species Sample ID Process ID GenBank BIN
Gelechia mandella 08BBLEP-02943 LPAB601-08 KM542545 BOLD:AAG0039
08BBLEP-02962 LPAB620-08 KM549242 BOLD:AAG0039
08BBLEP-03043 LPAB701-08 KM542418 BOLD:AAG0039
BIOUG22954-B10 GMOCL291-15 MG358112 BOLD:AAG0039
BIOUG23126-F09 GMOLH046-15 MG360795 BOLD:AAG0039
BIOUG23265-E04 GMOLH161-15 MG363316 BOLD:AAG0039
BIOUG44827-B07 GMOLF029-19 BOLD:AAG0039
BIOUG44827-B08 GMOLF030-19 BOLD:AAG0039
BIOUG44827-B10 GMOLF032-19 BOLD:AAG0039
BIOUG44832-B12 GMORG046-19 BOLD:AAG0039
CNCLEP00067704 MNAJ551-09 BOLD:AAG0039
CNCLEP00067705 MNAJ552-09 BOLD:AAG0039
CNCLEP00100431 CNCLA1217-13 BOLD:AAG0039
Gelechia rhombella MM02568 LEFIB736-10 HM871614 BOLD:AAE6372
MM09529 LEFIE614-10 HM874337 BOLD:AAE6372
MM03481 LEFIC137-10 HM871983 BOLD:AAE6372
TLMF Lep 15352 ABOLA330-14 MN805653 BOLD:AAE6372
TLMF Lep 15357 ABOLA335-14 MN805882 BOLD:AAE6372
TLMF Lep 16781 ABOLA821-15 MN803821 BOLD:AAE6372
TLMF Lep 24269 LEAST911-17 MN805984 BOLD:AAE6372
KLM Lep 08814 LEAST1479-18 MN803550 BOLD:AAE6372
KLM Lep 12426 LEAST1671-18 MN806057 BOLD:AAE6372
MM05043 LEFIJ14972-20 BOLD:AAE6372
Gelechia sororculella MM13873 LEFIA945-10 HM387078 BOLD:AAC8633
MM00668 LEFIB214-10 HM871118 BOLD:AAC8633
MM00669 LEFIB215-10 HM871119 BOLD:AAC8633
MM09008 LEFIE419-10 HM874143 BOLD:AAC8633
TLMF Lep 03819 PHLAD644-11 JN271047 BOLD:AAC8633
TLMF Lep 05290 PHLAF120-11 MN804563 BOLD:AAC8633
TLMF Lep 07445 PHLAG766-12 MN806665 BOLD:AAC8633
TLMF Lep 08880 PHLAI385-13 MN804332 BOLD:AAC8633
TLMF Lep 09231 PHLAI669-13 MN806319 BOLD:AAC8633
TLMF Lep 12390 LEATC408-13 MN804176 BOLD:AAC8633
TLMF Lep 11904 LEATE492-13 MN803907 BOLD:AAC8633
TLMF Lep 16768 ABOLA808-15 MN803611 BOLD:AAC8633
TLMF Lep 17098 ABOLB093-15 MN806268 BOLD:AAC8633
TLMF Lep 21377 LEKOB014-16 MN804141 BOLD:AAC8633
KLM Lep 12406 LEAST1651-18 MN806454 BOLD:AAC8633
KLM Lep 14931 LEASV1480-19 BOLD:AAC8633
KLM Lep 14936 LEASV1485-19 BOLD:AAC8633
Gelechia omelkoi TLMF Lep 20453 LEALT230-16 BOLD:ADD9926

Results

Gelechia omelkoi sp. nov.

Figures 2, 6, 7, 14, 15–16

Material examined

Holotype [Russia] • ♂; Altai, Kosh-Agatch distr., Ukok plateau; 2200 m; 19 Jul 2001; Bidzilya leg.; ZMKU.

Paratypes

Russia • 6 ♂; same collection data as for holotype; 1, 10, 20, 24, 25 Jul 2001; [genitalia slide number] 286/20, O. Bidzilya • 3 ♂; same collection data as for holotype; 22 Jul 1995 [genitalia slide number] 62/03, O. Bidzilya, all ZMKU• 2 ♂; Altai Republic, Kosh-Agatch distr., Northern part of Ukok plateau, Zhumaly river basin; 2400–2500 m; 4–6 Aug 2016; P. Huemer and B. Wiesmair leg. [Barcode identification number] TLMF Lep 20453; TLMF • 4 ♂♂; Altai, Belyashi [Dzhazator] env. (25 km NW), confluence of Argut and Karagem rivers; 49.865°N, 87.173°E; 1400 m; rocky steppe; 27–28 Jul 2017 [genitalia slide number] 21257, J. Šumpich; J. Šumpich leg. • 1 ♂; Altai, Belyashi (Dzhazator) env. (56 km SE), Dzhazator valley, 49.63°N, 88.20°E, mountain meadows near Tara river; 2300 m; 25–26 Jul 2017; [genitalia slide number] 21261, J. Šumpich; J. Šumpich leg.; all NMPC.

Diagnosis. The new species differs externally from most other Palaearctic species of Gelechia by the uniformly blackish-grey forewing without markings. Gelechia mandella and G. sororculella are similarly dark but without glossy forewings and with at least some indication of paler markings. The male genitalia are similar to those of G. mandella, G. sororculella and G. jakovlevi. The differences among these taxa are summarized in Table 2.

Table 2.

Characters separating G. omelkoi sp. nov., G. mandella, G. sororculella and G. jakovlevi.

Characters omelkoi mandella sororculella jakovlevi
Apex of phallus Short, weakly pointed Elongate, pointed, broad at base Elongate, pointed, narrow at base Elongate, pointed, narrow at base
Ratio middle part of phallus /caecum 0,5 0,7 0,7 0,5
Fultura superior Weakly divided, not extended to anteromedial emargination of tegumen Weakly divided, not extended to anteromedial emargination of tegumen Weakly divided, not extended to anteromedial emargination of tegumen Deeply divided, extended to anteromedial emargination of tegumen
Sacculus 3/4–4/5 length of cucullus 2/3–3/4 length of cucullus 4/5 length of cucullus 4/5 length of cucullus
Posterior margin of uncus Straight Straight Straight Weakly emarginate

Description

Adult (Figs 2, 15, 16). Forewing length 6.5–7.2 mm (mean = 6.7, n=10). Wingspan 13.8–15.0 mm. (mean = 14.4, n=10). Head, thorax and tegulae black, with rare grey-tipped scales on frons, labial palpus black mixed with white, underside of palpomere 2 with brush of long scales separated by medial gap, white on the inner side, scape black, flagellomeres black, ringed with grey, densely ciliated beneath, forewing overall matt, covered with grey brown- or grey-tipped scales, without markings, fringe grey, brown-tipped; hindwing grey, veins mottled with brown.

In male, sternum VIII rounded, anterior part narrow, reverse-trapezoid; tergum VIII elongate, tongue-shaped, with paired long coremata (Fig. 14).

Male genitalia (Figs 6, 7). Uncus broadly rounded, two times broader than long, posterior margin weakly serrated, edged with long setae, distal sclerite of gnathos absent, lateral sclerites slender, short, culcitula broad, pillow-shaped, fultura superior extended anteriorly to about 2/3 length of tegumen, not reaching anteromedial emargination of tegumen, tegumen nearly parallel-sided, 2.5 times longer than broad at base; cucullus slender, of even width, extended to apex of uncus, sacculus in its broadest part 2–3 times as broad as cucullus, apex tapered, curved inwards, extended to 3/4–4/5 length of cucullus, vinculum broad, medial processes rounded, broadly separated; saccus tapered, extended far beyond apex of pedunculi; phallus slightly shorter than tegumen, medial section nearly parallel-sided, caecum distinctly inflated, about 2 times as broad as phallus, apex short, weakly pointed, lateral lobe reverse V-shaped, lateral process short, thorn-shaped, medial sclerite slender, elongate; bulbus ejaculatorius moderately long, sack-shaped, with small irregularly shaped lamina.

Female genitalia. Unknown.

Biology

Part of the type series, including the holotype, was collected by netting during early sunrise around dwarf willows (Salix glauca and others) at altitudes from 2200 to 2500 m. It is highly likely that one of these Salix species is a host plant for the larvae, and that the new species is restricted in its distribution to mountain areas where its possible host plant occurs. Other specimens were attracted to light in the same habitats, in mountains meadow or rocky steppe from 1400 to 2500 m (Figs 23, 24). Gelechia sororculella is also known from neighboring territories of Altai, but was observed in river valleys (Chuya, Chagan). This species is associated with several species of Salix (Huemer and Karsholt 1999), but not with the dwarf willows presumed to be the host for G. omelkoi sp. nov.

Figure 1. 

Neighbor-Joining tree of Gelechia omelkoi sp. nov. and nearest European and North American Gelechia spp. in BOLD, with the generic type species Gelechia rhombella as outgroup (Kimura 2-parameter, constructed with MEGA 6 cf. Tamura et al. 2013), only sequences >500 bp considered. The scale bar only applies to internal branches between species. Width of triangles represents sample size, depth represents genetic variation within the cluster. Source: DNA Barcode data from BOLD (Barcode of Life Database, cf. Ratnasingham and Hebert 2007).

Molecular data. BIN: BOLD:ADD9926 (n=1). The minimum distance to the nearest neighbour, the North American G. mandella, is 2.88%, whereas it is 5.94% distant from the nearest Palaearctic G. sororculella (Fig. 1).

Distribution

Russia: Altai Republic, Ukok plateau and South Chuisky ridge.

Etymology

The new species is named in honour of Mikhail M. Omelko (Federal Scientific Center of East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia), in recognition of his contribution to the study of Gelechiidae, and the genus Gelechia in particular. The species name is a noun in the genitive case.

Gelechia mandella Busck, 1904

Figs 3–5, 8, 9, 12, 13

Gelechia mandella Busck, 1904. – Proceedings of the United States National Museum 27 (1375): 759. Type locality: Kaslo, British Colombia, Canada.

Material examined

[Canada] • 16 ♂; Alberta, Nordegg, [54.470°N, 116.075°W], various dates from 29 Jun – 6 Aug 1921; [barcoded male 4 Jul 1921]; bred from larva on Willow; J. McDunnough leg. [specimen number] CNCLEP00100431; [genitalia slide number] MIC 8484; [other males numbers] CNCLEP00100430–100433, CNCLEP00127961–127973 • 1 ♀; same collection data as for proceeding, 10 Jul 1921 [specimen number] CNCLEP00127968; [genitalia slide number] MIC 8485 • 2 ♂; Yukon, km 140.5 Dempster Hwy, [65.069°N, 138.129°W], 900 m, 28 Jul 1980; D. Wood and J. Lafontaine leg.; [specimen number] CNCLEP00067704–67705; genitalia slide number [MIC 8486]; all in CNC.

Figures 2–5. 

Gelechia spp. Adults. 2, 2A Gelechia omelkoi sp. nov. 2 adult, holotype 2A head, paratype 3–5 G. mandella 3, 3A male, Alberta 3 adult 3A head 4, 4A male, Yukon 4 adult 4A head 5, 5A female Alberta 5 adult 5A head.

Figures 6–11. 

Gelechia spp., male genitalia. 6, 7 G. omelkoi sp. nov., paratypes 6 genitalia slide 286/20, O. Bidzilya 7 genitalia slide 62/03, O. Bidzilya 8, 9 G. mandella 8 Alberta, genitalia slide MIC 8484 9 Yukon, genitalia slide MIC 8486 10 G. sororculella, genitalia slide 287/20, O. Bidzilya 11 G. jakovlevi, lectotype, genitalia slide 309/20, O. Bidzilya.

Diagnosis

Gelechia mandella is a blackish-grey, medium-sized species with a black streak interrupted by diffuse white spots in the middle of the forewing, a black streak in fold and a diffuse white subapical fascia. The wing pattern resembles that of the Holarctic species Gelechia sabinellus (Zeller, 1839), but it is darker and predominantly black rather than grey. Additionally, G. sabinellus has strikingly differently coloured scales on the labial palps. The Palaearctic G. sororculella looks nearly indistinguishable externally (Fig. 19).

Redescription

Adult (Figs 3–5). Forewing length 7.8–9.4 mm (mean = 8.6, n=18). Wingspan 15.9–18.7 mm (mean = 17.1, n=16). Head, thorax and tegulae greyish black, labial palpus black mixed with white, palpomere 2 underside with brush of long scales divided by medial gap, inner side entirely white in some specimens, scape black, flagellomeres black, ringed with light grey, forewing greyish black, sparsely mixed with white-tipped scales, fold with black medial streak edged with white from both ends, indistinct black streak in middle 2/3 interrupted by large white spot at 1/2 and much smaller white spot at 2/3, diffuse white fascia at about 3/4, termen black-spotted, cilia white, black-tipped; hindwing light grey with grey cilia and distinctly darkened veins.

Figures 12–14. 

Gelechia spp., genitalia and abdomen. 12, 13 G. mandella. 12 abdomen, male, genitalia slide MIC 8484 13A, B Female genitalia, slide MIC 8485 13A segment VIII (enlarged) 13B Signum (enlarged) 14 G. omelkoi sp. nov., male segment VIII, genitalia. slide 62/03, O. Bidzilya.

In male, sternum VIII rounded in distal part, reverse trapezoid basally; tergum VIII elongate, tongue-shaped, with paired, long coremata (Fig. 12).

Male genitalia (Figs 8, 9). Uncus broadly rounded, twice wider than long, posterior margin weakly serrated, edged with long setae, distal sclerite of gnathos absent, lateral sclerites slender, short, culcitula slightly wider than uncus, pillow-shaped, fultura superior extended anteriorly to about 2/3 length of tegumen, not reaching anteromedial emargination of tegumen, tegumen nearly parallel-sided, 2.5 times as long as broad at base; cucullus slender, of even width, extended to apex of uncus, sacculus in its broadest part 1.5–2.0 times as broad as cucullus, apex tapered, curved inwards, extended to 2/3–3/4 length of cucullus, vinculum broad, medial processes rounded, broadly separated; saccus weakly or distinctly narrowed apically, extended far beyond apex of pedunculi; phallus slightly shorter than tegumen, medial portion nearly straight or with dorsal side slightly curved, caecum weakly inflated, about 1.5 times as broad as phallus, apex moderately elongate, triangularly pointed with comparatively broad base, dorsal lobe beak-shaped and recurved, lateral process short, thorn-shaped, medial sclerite slender, elongate; bulbus ejaculatorius elongate, sack-shaped, with small, irregularly shaped lamina.

Female genitalia (Figs 13, 13A, 13B). Papillae anales elongate, subovate, with straight anterior margin; apophyses posteriores three times as long as segment VIII, apophyses anteriores reduced to melanized bands fused to lateral wall of sternum VIII; sternum VIII three times longer than broad, with narrow, sclerotized lateral rods, wrinkled along medial membranous zone, with strongly sclerotized short anterolateral drop-shaped processes confluent with apices of apophyses anteriores; subgenital plate small, band-shaped, with short, pointed anterior protrusions near anterior margin of sternum VIII; ostium rounded, with distinct posterolateral edging connected anteriorly with base of apophyses anteriores; antrum cylindrical, colliculum short, trapezoid, laterally sclerotized; ductus bursae very short, broadened into corpus bursae, with indistinct transition, corpus bursae as long as and slightly wider than adjacent part of ductus bursae, signum plate subovate, with serrate margins and broad transverse medial groove.

Biology

Adults have been collected from late June to early August in Alberta and in late July in Yukon. Two specimens from Nordegg, Alberta were reared from an unspecified willow.

Molecular data. BIN: BOLD:AAG0039. The intraspecific average distance of the barcode region is 0.14% (n=13, data from BOLD). The minimum distance to the nearest neighbour, the Palaearctic G. omelkoi sp. nov., is 2.88% (Fig. 1).

Distribution

Canada: British Columbia, Alberta, Yukon (new record), Northwest Territories (new record). Two alleged records from Montana, USA in SCAN (2021) are represented by photographs taken on 14–15 May 2018 near the town of Missoula in the mountainous western part of the state. Although the superficial appearance of the moths on the photos makes it possible that this be G. mandella, their identity remains unverified. The same website also shows two Northwest Territories records, which are actually sourced from two BOLD public records analyzed here (BIOUG23265-E04 and BIOUG23126-F09 deposited in CBG; see Table 1). The record from Quebec in Pohl et al. (2018) was based on a female specimen in CNC from Forestville (specimen # CNCLEP00100429), which has since been barcoded and belongs to a different BIN (BOLD:AAH6283). It is here excluded and likely represents a different species.

Remarks

Busck (1904) described Gelechia mandella from an unspecified number of specimens, as indicated by a size range accompanying the original description. There is a series of specimens of G. mandella identified by Busck in the collection of USNM. We assume four of them, with red type labels, are from Busck’s original series. None of these syntypes has a locality label, only a Dyar field number, which corresponds with Kaslo, British Columbia (Canada). This series comprises two females collected 15.08.1903 (USNM slide #6773 (genitalia), USNMENT01480487 and USNM slide #6779 (wings), USNMENT01480485); one specimen without an abdomen, collected 13.08.1903 (USNMENT01480486); and one dissected male collected 5.08.1903. This last specimen, labelled “type No. 7859, U.S.N.M”, “Genitalia Slide 6775, by AB, ♂, USNM”, “Gelechia mandella Busck, Type” (USNMENT00835335) was incorrectly published as the “holotype” by Brown et al. (2004). Photographs of the specimen, its labels, and the genitalia are available online (https://collections.nmnh.si.edu/search/ento/?ark=ark:/65665/38eb1f15df800489fac64727ff945379c). At one time, the USNMENT00835335 specimen was labelled with “Mesilla, NM [New Mexico].” This was likely due to a mix-up when labels were removed from the pins to be photographed and the Mesilla label belongs to another type, possibly Gelechia malindella Busck, 1910 [a junior synonym of Friseria cockerelli (Busck, 1903)]. The label error for the USNMENT00835335 specimen is now corrected. Here, we designate the USNMENT00835335 specimen among the likely syntypes as lectotype of G. mandella, to stabilize nomenclature.

The CNC series from Nordegg, Alberta collected in 1921 was identified as G. mandella by Annette Braun. Despite the difficulty to interpret some characters of the male genitalia from the photo of the lectotype slide of G. mandella, visible features match those of the barcoded specimens. Taking also into consideration the similarity in external appearance, we are confident that specimens from Yukon and Alberta represent G. mandella.

Discussion

The genus Gelechia is represented by 22 species in Europe, and the European fauna was revised and studied in detail by Huemer and Karsholt (1999). In North America, 40 valid species are recognized, but the genus has never been the object of any revision and several names remain of uncertain identity (Lee et al. 2009). In Russia, the genus was revised for the Far East (Omelko 1986), and the data on the distribution of 24 species throughout the country were summarized (Ponomarenko 2019). Until recently, 10 species were recorded from Siberia, including the rather unexpected finding of Gelechia repetitrix Meyrick, 1931 from the Omsk region (Ponomarenko and Knyazev 2020). Currently, six species of Gelechia are known from the Altai, but records of additional species (e.g., G. turpella ([Denis & Schiffermüller], 1775) are expected. Below, we provide a list of Gelechia species known from the Altai Republic of Russia, with updated information on their distribution and corresponding references.

Gelechia sororculella (Hübner, [1817])

Figs 10, 19

Records

Bidzilya et al. 2002: 207. Misidentification of G. omelkoi sp. nov.

Material examined

Russia • 1 ♂; Altai Republic, Shebalino distr., Cherga env.; 17 Jul 1995; P. Ustjuzhanin leg.; ZMKU • 1 ♂, Russia, Altai, Kosh-Agatch distr., 15 km from Beltir. vil. up on Tchagan river; steppe; 2200 m; 13 Aug 2000; O. Bidzilya leg.; [genitalia slide number] 287/20, O. Bidzilya; ZMKU • 1 ♂; Altai, Kosh-Agatch env., Tchuja river bank; on trunk of Salix sp.; 17 Aug 2000; O. Bidzilya leg.; ZMKU.

Kyrgyzstan • 1 ♂; 5 km S of At-Bashi, Narynskaya oblast; 15 Aug 1981; S. Sinev leg.; ZIN.

Remarks

The previous record of this species from Ukok plateau in Altai (Bidzilya et al. 2002: 207) refers to G. omelkoi sp. nov.

Distribution

Palaearctic Region from Spain to Russian Far East (Huemer and Karsholt 1999; Ponomarenko 2019); Kyrgyzstan (new record).

Gelechia omelkoi sp. nov

Material examined. (see above).

Distribution. Russia (Altai Mts).

Gelechia jakovlevi Krulikovsky, 1905

Figs 11, 17, 18

Records

Bidzilya 2002: 69.

Material examined

Russia • 1 ♀; Altai, Ongudai distr., 15 km from Iodro vil. down on Tchuja river; 6 Aug 2000; O. Bidzilya leg.; [genitalia slide number] 293/20, O. Bidzilya; ZMKU • 1 ♂, Russia, Altai, Belyashi (Dzhazator) env. (25 km NW), confluence of Argut and Karagem rivers; rocky steppe; 49.865°N, 87.173°E; 1400 m; 27–28 Jul 2017 [genitalia slide number] 21265, J. Šumpich; J. Šumpich leg.; NMPC.

Distribution

Northern and eastern Europe, Russia: European part, Tomsk region, Altai, Buryatia (Huemer and Karsholt 1999; Ponomarenko 2019); Mongolia (ssp. mongoliae Emeljanov & Piskunov, 1982).

Remarks

Gelechia jakovlevi mongoliae was described based on a female from Songino, western Mongolia. The status of this taxon needs clarification after examination of a male, which is unknown to us.

Gelechia muscosella Zeller, 1839

Fig. 20

Records

Bidzilya 2002: 68.

Material examined

Russia • 1 ♂; Gornoaltaisk; 15 Jul 1997; A. Lvovsky leg.; ZIN • 1 ♂; Altai, Aktash vill.; grassy steppe, rocks; 50.320°N, 87.60°E; 1400 m; 11 Jul 2014; J. Šumpich leg.; NMPC.

Figures 15–22. 

Gelechia spp., adults. 15, 16 G. omelkoi sp. nov., paratypes, males. 15 Dzhazator. 16 Karagem. 17, 18 G. jakovlevi. 17 Male, Karagem. 18 Female, Iodro 19 G. sororculella, male, Cherga 20 G. muscosella, male, Aktash 21 G. hippophaella, female, Karagem 22 G. sirotina, male, Karagem.

Distribution

Palaearctic Region from Great Britain to Far East of Russia and China: Qinghai, Gansu, Shaanxi (Huemer and Karsholt 1999; Li 2002).

Figures 23, 24. 

Habitats of Gelechia omelkoi sp. nov. 23 Steppe near the confluence of Argut and Karagem rivers 24 mountain steppe near Dzhazator (photographs by Jan Šumpich).

Gelechia hippophaella (Schrank, 1802)

Fig. 21

Records

Piskunov 1981: 669.

Material examined

Russia • 1 ♀; Altai, Belyashi (Dzhazator) env. (25 km NW), confluence of Argut and Karagem rivers; rocky steppe; 49.865°N, 87.173°E; 1400 m; 27–28 Jul 2017 J. Šumpich leg.; NMPC.

Distribution

Northern, central and south-eastern Europe; Siberia: Altai, Tuva, Buryatia; China: Ningxia (Huemer and Karsholt 1999; Li 2002; Ponomarenko 2019), unconfirmed record from Mongolia (Piskunov 1990).

Gelechia sirotina Omelko, 1986

Fig. 22

Material examined

Russia • 1 ♂; Altai, Belyashi (Dzhazator) env. (25 km NW), confluence of Argut and Karagem rivers; rocky steppe; 49.865°N, 87.173°E; 1400 m; 27–28 Jul 2017 [genitalia slide number] 19922, J. Šumpich; J. Šumpich leg.; NMPC.

Distribution

Belarus; Tajikistan (Piskunov 1989); Russia: Altai (new record), Tuva, Zabaikalskiy krai, Primorskiy krai (Ponomarenko 2019).

Acknowledgements

The work was supported by the Ukrainian State Budget Program “Support for the Development of Priority Areas of Scientific Research” (Code: 6541230) (O. Bidzilya) and by the Ministry of Culture of the Czech Republic (DKRVO 2019‒2023/5.I.c, National Museum, 00023272) (J. Šumpich). PH would like to thank Roman Yakovlev for organization of the expedition to the Altai Mountains, and Benjamin Wiesmair for assistance during field work. We are thankful to Sangmi Lee and Ole Karsholt for valuable comments on the manuscript. Our special thanks to Mark A. Metz (Systematic Entomology Laboratory—USDA) for clarifying the status of the primary types of G. mandella, providing information on and images of the Busck material, and editorial suggestions concerning the manuscript.

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