ZOOSYSTEMATICA ROSSICA I S S N Zoological Institute, Russian Academy of Sciences, St Petersburg ▪ https://www.zin.ru/journals/zsr/ 2410-0226 [online] Vol. 30(1): 3–7 ▪ Published online 10 February 2021 ▪ DOI 10.31610/zsr/2021.30.1.3 0320-9180 [print] RESEARCH ARTICLE Review of the genus Guzeriplia (Diptera: Dolichopodidae) with description of a new species Обзор рода Guzeriplia (Diptera: Dolichopodidae) с описанием нового вида S. Naglis & O.P. Negrobov С. Наглис, О.П. Негробов Stefan Naglis, Institute of Evolutionary Biology and Environmental Studies, University of Zurich, 190 Winterthurerstrasse, CH-8057 Zurich, Switzerland. E-mail: [email protected] Oleg P. Negrobov, Voronezh State University, 1 Universitetskaya Sq., Voronezh 394006, Russia Abstract. The genus Guzeriplia Negrobov, 1968 is reviewed. A key to the known species of the genus is provided. Guzeriplia turcica sp. nov. is described from Turkey; G. chlorina Negrobov, 1968 is newly re- corded from Turkey. Резюме. Выполнен обзор видов рода Guzeriplia Negrobov, 1968. Составлена определительная таблица видов этого рода. Описан новый вид Guzeriplia turcica sp. nov. из Турции. Для фауны Турции впервые отмечен вид G. chlorina Negrobov, 1968. Key words: Turkey, review, Dolichopodidae, Guzeriplia, new species, new record Ключевые слова: Турция, обзор, Dolichopodidae, Guzeriplia, новый вид, новое указание ZooBank Article LSID: urn:lsid:zoobank.org:pub:E156276C-EB56-49C8-B914-26D6083A3281 Introduction chanov et al. (2011) provided short diagnoses of the genus. The genus Guzeriplia Negrobov, 1968 previ- In the present paper, Guzeriplia turcica sp. nov. ously comprised three species worldwide: G. chlo- is described from Turkey and G. chlorina is record- rina Negrobov, 1968 and G. viridana Negrobov, ed for the first time from Turkey. A key to males of 1978 from the Caucasus, and G. beijingensis Yang all known species of Guzeriplia is provided. et Saigusa, 2001 from Palaearctic China. The ge- nus was originally placed in the subfamily Camp- Material and methods sicneminae (=Sympycninae) but later transferred The material examined was collected by the late to the Peloropeodinae (Negrobov, 1991). Guze- Wolfgang Schacht (Germany) in eastern Turkey in riplia is closely related to Chrysotimus Loew, 1857 1985. The specimens were originally stored in 70% and Fedtshenkom yia Stackelberg, 1927. Yang et al. ethanol and subsequently pin-mounted to facili- (2006) synonymised Guzeriplia with Chrysotimus tate examination. The specimens examined will be without explanation, but Negrobov et al. (2007) deposited at the Entomological Collection of ETH removed Guzeriplia from synonymy based on gen- (Eidgenössische Technische Hochschule) Zurich, italic characters. Yang & Saigusa (2001) and Gri- Switzerland. © 2021 Zoological Institute RAS and the Author(s) S. Naglis & O.P. Negrobov. Review of Guzeriplia Fig. 1. Guzeriplia chlorina in figures top is morphologically ventral and bot- Negrobov, 1968. Male. tom is dorsal. Morphological terminology follows Habitus, lateral view. McAlpine (1981) except for the male hypopygium Scale bar: 0.5 mm. where the terms of Cumming et al. (1995) and Sinclair (2000) are used. Morphological abbreviations: ac, acrostichal setae; ad, anterodorsal; av, anteroventral; dc, dor- socentral setae; Dsur, dorsal lobe of surstylus; pd, posterodorsal; pv, posteroventral; ppls, proepister- nal setae; Vsur, ventral lobe of surstylus. Taxonomic account Order Diptera Family Dolichopodidae Subfamily Peloropeodinae Key to Guzeriplia and closely related genera 1. Thorax and abdomen metallic-green, with yellow setae; mid- and/or hind femur with anterior preapi- cal seta; hypopygium at least partly exerted .... 2 – Without this combination of characters ......... .......................... other Dolichopodidae 2. Hypopygium small, partly enclosed by postab- domen; female usually with yellow abdominal tergites .......................... Chrysotimus – Hypopygium large, exerted, projecting forward; fe- male with metallic-green abdominal tergites .... 3 3. Acrostichal setae biseriate or uniseriate; hypopygi- um dark brown ..................... Guzeriplia – Acrostichal setae absent; hypopygium yellow .... .............................. Fedtshenkomyia Genus Guzeriplia Negrobov, 1968 Body length is measured from the base of an- tennae to the tip of abdominal segment 6; wing Guzeriplia Negrobov, 1968: 470. length, from wing base to wing apex. The posi- Type species: Guzeriplia chlorina Negrobov, tions of features on elongate structures such as 1968, by original designation. leg segments are given as a fraction of the total Diagnosis. Size small, body length 1.4–2.0 mm; length, starting from the base. The following ra- thorax and abdomen metallic-green, shiny; all se- tios are used: relative podomere ratios (femur: tib- tae on body yellow; eyes distinctly separated on ia: tarsomere 1/2/3/4/5); the length of crossvein face; arista dorsal; ac biseriate or uniseriate; five or dm–cu to the distal section of vein CuA (= CuAx six pairs of strong dc; scutellum with four margin- ratio); the distance between the veins R and al setae; posterior mesonotum flattened; mid and 2+3 R to the distance between the veins R and hind femora with anterior subapical seta; veins 4+5 4+5 M at the costal margin (= RMx ratio). In describ- R and M parallel; distal section of CuA longer 4+5 ing the hypopygium, “dorsal” and “ventral” refer than basal section; hypopygium large, exerted and to the position prior to rotation and flexion, i.e. pedunculate, projecting forward (Fig. 1). 4 ( Zoosystematica Rossica, Vol. 30, No. 1, pp. 3–7 S. Naglis & O.P. Negrobov. Review of Guzeriplia Guzeriplia turcica sp. nov. (Figs 2–3) Holotype. Male; Turkey, Rize Prov., Ovit Pass, 1500 m, South Ikizdere, 11.VII.1985, W. Schacht leg. (Entomological Collection of ETH Zurich). Diagnosis. Antennal segments brown; arista dorsal, bare; frons and face metallic-green; me- sonotum and abdomen metallic-green shiny; all legs yellow; all setae yellow; hypopygium large, about half as long as abdomen; Vsur basally broad, apically slender and strongly curved; Dsur strong- ly curved apically. Description. Body length 2.0 mm; wing length 2.4 mm. Head (Fig. 2B). Frons and face metallic-green shiny with weak grey pruinosity; face below an- tennae about half as wide as diameter of eye; pos- tocular setae yellow; palp whitish, proboscis black. Antenna: all segments brown; postpedicel acute, slightly higher than long, with dense hairs; arista dorsal, with short pubescence. Thorax (Fig. 2A). Mesonotum metallic-green shiny, with blue reflections and weak grey pru- inosity; pleura concolourous with mesonotum; posterior mesonotum distinctly flattened; all se- tae yellow; ac in two rows, each comprising nine or ten setae; six pairs of strong dc; two strong scutel- lar setae and two smaller lateral setae; ppls: one Fig. 2. Guzeriplia turcica sp. nov. Holotype, male. A, habitus, lateral view; B, head and wing. Scale bars: strong seta and one small seta ventrally. 1 mm (A), 0.5 mm (B). Legs (Fig. 2A). Coxae and other parts yellow, tarsomeres 5 slightly infuscate; all setae and hairs yellow. Fore leg: coxa with strong anterior and api- cal setae; femur with short dorsal setae along en- tire length and with a row of short anterior setae; tibia and tarsomeres without strong setae; relative podomere ratios: 37:43:29/12/9/5/6. Mid leg: coxa with strong anterior setae; femur with a strong an- terior subapical seta and with short anterior and dorsal setae along entire length; tibia with strong ad setae at one-third and two-thirds of length, with strong pd setae at one-fourth and half-length, and with a ring of four apical setae; tarsomeres bare; relative podomere ratios: 44:54:30/12/8/5/6. Hind leg: coxa with a strong lateral seta; femur with a strong anterior subapical seta, with two strong av setae below anterior subapical seta, and Fig. 3. Guzeriplia turcica sp. nov. Holotype, male. Hy- with short anterior and dorsal setae along entire popygium, left lateral view. Abbreviations: Cer, cercus; length; tibia with strong ad setae at one-third Epan, epandrium; Dsur, dorsal lobe of surstylus; Vsur, and two-thirds of length, with strong pd setae at ventral lobe of surstylus. Scale bar: 0.1 mm. ( Zoosystematica Rossica, Vol. 30, No. 1, pp. 3–7 5 S. Naglis & O.P. Negrobov. Review of Guzeriplia one-third, half and three-fourths of length, and Guzeriplia chlorina Negrobov, 1968 with a ring of four apical setae; tarsomeres bare; (Fig. 1) relative podomere ratios: 45:61:23/15/10/6/5. All Guzeriplia chlorina Negrobov, 1968: 471. claws and pulvilli present but small. Type locality. Russia: Krasnodar Territory, Wing (Fig. 2B) hyaline, veins yellow; R curved 1 Caucasus Nature Reserve, Umpyr field base. against costa, R slightly curved posteriorly, R 2+3 4+5 New material. Turkey, Rize Prov., Ovit Pass, almost straight, joining wing margin anteriorly of 1500 m, South Ikizdere, 11.VII.1985, 1 male, apex; M straight, parallel to R , joining costa 4+5 W. Schacht leg. posteriorly of apex; CuAx ratio: 0.25; RMx ratio: Distribution. Palaearctic: Georgia, Russia 2.5; lower calypter white, with white setae; halter (southern European part, Caucasus: Adygea, pale yellow. North Ossetia-Alania, Kabardino-Balkaria, Ka- Abdomen metallic-green shiny; tergite 8 brown; rachay-Cherkessia, Krasnodar Territory, Stav- all setae yellow. Hypopygium (Fig. 3): Vsur, Dsur ropol Territory), Turkey. and epandrium dark brown, cercus basally white Remarks. The specimen from Ovit Pass repre- and apically brown. Epandrium with two strong sents the first record of G. chlorina from Turkey. apical setae; Vsur basally broad, apically slender In contrast to the original description, this speci- and strongly curved, with a dorsal seta; Dsur men has a uniseriate row of ac. shorter than Vsur, slender and strongly curved, with a dorsal and a ventral seta; cercus slender, Guzeriplia turcica sp. nov. single-lobed, projecting forward, with long strong (Figs 2–3) apical setae. Etymology. The name of the new species is an Type locality. Turkey, Rize Province, Ovit Pass, adjective referring to the country where the spe- 1500 m, South Ikizdere. cies was collected. Distribution. Turkey. Key to males of the genus Guzeriplia Guzeriplia viridana Negrobov, 1978 1. Cercus with two projecting lobes, inner lobe thin- Guzeriplia viridana Negrobov, 1978: 1376. ner and outer lobe thicker (Yang & Saigusa, 2001: Type locality. Russia: Krasnodar Territory, Fig. 2) ......................... G. beijingensis Caucasus Nature Reserve, Mount Fisht. – Cercus without two lobes ..................... 2 Distribution. Russia (southern European part, 2. Vsur with forceps-shaped apex; Dsur as long as Caucasus: Adygea, Karachay-Cherkessia, Krasno- Vsur (Negrobov, 1968: Figs 3–4) .... G. chlorina dar Territory). – Vsur not forceps-shaped; Dsur shorter than Vsur .......................................... 3 Discussion 3. Vsur leaf-shaped, apically pointed; Dsur almost straight (Negrobov, 1978: Figs 1–2) .......... Three of the four species of Guzeriplia are dis- ................................ G. viridana tributed in the western Palaearctic: in the Cau- – Vsur basally broad, apically slender, strongly casian region in southern Russia (G. chlorina), curved; Dsur strongly curved apically (Fig. 2) ... Georgia (G. viridana) and Turkey (G. turcica). ............................ G. turcica sp. nov. These three species seem to be confined to moun- tainous regions: G. turcica was collected at an alti- Species list of the genus Guzeriplia tude of 1500 m in eastern Turkey, G. chlorina and G. virid ana were found in the Russian Caucasus Guzeriplia beijingensis Yang et Saigusa, 2001 at 2697 m (Umpyr field base) and 2868 m (Mount Guzeriplia beijingensis Yang et Saigusa, 2001: 157. Fisht), respectively. On the other hand, G. beijin- Type locality. China: Beijing, Xiaolongmen, gensis occurs in eastern Palaearctic China. This Xueyou Hu. species shows a unique genitalic character, which Distribution. Palaearctic China: Beijing. differentiates it from its congeners: the cercus is 6 ( Zoosystematica Rossica, Vol. 30, No. 1, pp. 3–7 S. Naglis & O.P. Negrobov. Review of Guzeriplia divided into two parts forming a narrow median (Coordinators). Manual of Nearctic Diptera, 1. Ag- and a thicker lateral lobe. riculture Canada Monograph, 27: 9–63. Negrobov O.P. 1968. A new genus and species of the Dolichopodidae (Diptera). Zoologicheskiy Zhur- Acknowledgements nal, 47(3): 470–473. (In Russian, with English summary). The late Wolfgang Schacht (Münich, Germany) Negrobov O.P. 1978. Species of the group Chrysoti- provided the material and Gerhard Bächli (Dietikon, mus Fallén (Dolichopodidae, Diptera) in the fauna Switzerland) mounted and labelled the specimens. of the USSR. Zoologicheskiy Zhurnal, 57(9): 1375– The second author was funded by the Russian Foun- 1381. (In Russian, with English summary). dation for Basic Research (RFBR) according to the Negrobov O.P. 1991. Family Dolichopodidae. 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