Gimnomera montana Ozerov et Krivosheina, 2013

Ozerov, A. L., 2019, A review of the genus Gimnomera Rondani, 1866 (Diptera: Scathophagidae) of Russia, Russian Entomological Journal 28 (2), pp. 195-218 : 206

Gimnomera montana Ozerov et Krivosheina, 2013 Figs 16 , 48–50 .

montana Ozerov et Krivosheina, 2013: 2 ( Gimnomera ). Type-locality: range Bakhty Laparyrag (42.9383ºN 44.2872ºE), 1770 m ( Russia, North Ossetia – Alania).

The species was recorded for Russia from North Ossetia – Alania [ Ozerov & Krivosheina, 2013].

MATERIAL. Krasnodar Krai: Teberda Reserve (43.4438ºN

41.7381ºE), 9. VI .1964, Gorodkov (1 ♀, ZISP); Lago-Naki (44.0586ºN 40.0207ºE), 2100 m, 27.VII.2000, Kustov (2 ♂♂, ZISP) .

ADDITIONAL MATERIAL. Georgia: Kobi (42.5594ºN 44.5117ºE) , 14.VII.1925, Kirichenko (1 ♂, ZMUM); Armenia: Elenovka (now= Sevan ) (40.5487ºN 44.9574ºE) , 24. V .1902 , Elachich Klemant (1 ♂, ZISP); Lori, the River Chichkhan near Geghasar (40.85ºN 44.20ºE) , 1600 m, 22. V .2012, A.C. Pont (1 ♂, ZISP) .

DESCRIPTION. Male, female. Small-sized flies (4.0– 5.2 mm long).

Yellow in ground colour; ocellar triangle black; scutum yellow completely or brownish in central part, or with black stripe between dorsocental setae; female abdominal tergites narrowly black near posterior margin. Head and thorax, also male abdomen fine greyish dusted, female abdomen shining. Legs yellow.

Head with 2 orbital, 2 frontal, 1 ocellar, 1 postocellar, 1 inner vertical, 1 outer vertical setae; 1 pair of vibrissae. Antenna yellow. Postpedicel approximately 2.0 times as long as wide. Arista black. Palpus yellow.

Thorax. Acrostichals as hairs in two rows, dorsocentrals 2+2 (anterior margin of scutum also with a pair of erect black setae), intra-alars absent, supra-alars 1+2, 1 long postpronotal, anterior margin of postpronotum with short erect black spinules, notopleurals 2, postalars 2. Proepisternum with 1 seta near lower margin. Proepimeron with 0–1 seta and sometimes with several small hairs. Anepisternum with 2–3 black setae along posterior margin. Anepimeron without hairs. Scutellum shining or subshining, with a pair of basal scutellar and a pair of apical scutellar setae.

Legs. Fore femur with 4–6 posterodorsal setae. Fore tibia with 1 dorsal seta at middle, 1 posterodorsal and 1 posterior setae, 1 preapical dorsal and apical posterior setae. Mid femur with a row of anterior and a row of posteroventral setae, also with 1 preapical posterior and 0–1 preapical posterodorsal setae. Mid tibia with 1 posterodorsal, 1 posterior, 1 anterodorsal at middle, 1 preapical dorsal setae and a ring of apical setae. Hind femur with a row of anterior setae, also with 1 preapical posterior and 0–1 preapical posterodorsal setae. Hind tibia with 1 posterodorsal, 2 anterodorsal, 1 preapical dorsal, 1 apical anteroventral and 1 apical anterodorsal setae.

Wing clear, with brownish veins. Vein R 1 bare or with 1–4 setulae on apical half of dorsal surface. Calypters, margins of calypters, and halteres yellowish.

Abdomen. Male sternite 4 rectangular, about 1.5 times as long as wide; sternite 5 transverse, with long median lobes, carrying spinules ( Fig. 16 ). Epandrium, cercal plate and surstyli as in Figs 48–50 , cerci as wide as long.

DISTRIBUTION. Russia: Krasnodar Krai, North Ossetia – Alania. — Armenia and Georgia [ Ozerov & Krivosheina, 2013], Iran [ Khaghaninia & Gharajedaghi, 2014].

Figures

Figs 14–19. Male sternites 4 (lower) and 5 (upper) of Gimnomera: 14 — G. lasiostoma (Becker); 15 — G. mellina (Becker); 16 — G. montana Ozerov et Krivosheina; 17 — G. nigricorpus sp.n.; 18 — G. novgorodovae (Ozerov); 19 — G. nudipedis sp.n. Рис. 14–19. Стерниты 4 (вниЗу) и 5 (вверху) самцов Gimnomera: 14 — G. lasiostoma (Becker); 15 — G. mellina (Becker); 16 — G. montana Ozerov et Krivosheina; 17 — G. nigricorpus sp.n.; 18 — G. novgorodovae (Ozerov); 19 — G. nudipedis sp.n.

Figs 42–50. Epandrium, cercal plate and surstyli of Gimnomera spp.: 42–44 — G. lasiostoma (Becker); 45–47 — G. mellina (Becker); 48–50 — G. montana Ozerov et Krivosheina; 42, 45, 48 — epandrium, cerci and surstyli, dorsolateral view; 43, 46, 49 — same, lateral view; 44, 47, 50 — same, dorsal view. Рис. 42–50. Эпандрий, церки и сурстили Gimnomera spp.: 42–44 — G. lasiostoma (Becker); 45–47 — G. mellina (Becker); 48–50 — G. montana Ozerov et Krivosheina; 42, 45, 48 — Эпандрий, церки и сурстили, дорсолатерально; 43, 46, 49 — то же, сбоку; 44, 47, 50 — то же, сверху.