Gimnomera novgorodovae ( Ozerov, 2006 )

Ozerov, A. L., 2019, A review of the genus Gimnomera Rondani, 1866 (Diptera: Scathophagidae) of Russia, Russian Entomological Journal 28 (2), pp. 195-218 : 207

Gimnomera novgorodovae ( Ozerov, 2006)

Figs 18 , 54–56 .

novgorodovae Ozerov, 2006: 334 ( Cochliarium ). Type-locality: “[Altai, plateau Ukok, lakes Kal’dzin-Kul’ and Kal’dzin-Kul’ Bas, ~ 2400 m (49º19’N, 87º26’E)]” ( Russia).

sorokinae Ozerov, 2006: 335 ( Cochliarium ). Type-locality: “[Altai, plateau Ukok, lakes Kal’dzin-Kul’ and Kal’dzin-Kul’ Bas, ~ 2400 m (49º19’N, 87º26’E)]” ( Russia) — syn.n.

The species was recorded for Russia from Altai only [ Ozerov, 2006].

MATERIAL. Altai: Seminsky pass, (51.06ºN 85.59ºE), 1650 m, 27–30. VI .2016, N. Vikhrev (1 ♂, ZMUM); Kurayskiy ridge (50.33ºN 87.76ºE), 2600–2700 m, 3.VII.2008, A. Barkalov (2 ♂♂, ZMUM); Krasnoyarsk Krai: Khatanga (71.9758ºN, 102.4824ºE), 11–12.VII.1970, V . Zherikhin, I. Sukatsheva (1 ♂, ZMUM); Dudinka (69.4042ºN 86.1822ºE), 3.VII.1967, Gorodkov (1 ♀, ZISP) .

DESCRIPTION. Male. Medium-sized flies (3.8– 5.5 mm long).

Head. Frontal vitta from reddish-yellow to black, matt; fronto-orbital plate black, whitish dusted. Ocellar triangle black. Face, parafacial and gena from yellow to black, whitish dusted. Postcranium black, subshining, but median occipital sclerite greyish dusted. 2–3 orbitals, 2 frontals, 1 ocellar, 1 very small postocellar, 1 inner vertical, 1 outer vertical; 2 pairs of vibrissae present. Antenna black. Postpedicel no more than 1.5 times as long as wide. Arista black. Palpus from yellow to blackish.

Thorax black, greyish dusted, but scutum, anepisternum, katepisternum, also anepimeron in anterior half shining. Scutum densely covered with small yellow hairs, including acrostichal area; dorsocentrals 0+1, intra-alars absent, supra-alars 0+1, postpronotal absent, anterior margin of postpronotum with short erect black spinules, 1 notopleural, postalars 2. Proepisternum with 1 seta near lower margin. Proepimeron with 1 seta and several hairs. Anepisternum with 2 setae near posterior margin. Anepimeron with several hairs. Scutellum black, shining, with a pair of lateral scutellar and a pair of apical scutellar setae.

Legs. Femora blackish in ground colour; tibiae of fore and mid legs yellow; hind tibia yellow or brownish; tarsi of all legs blackish. Fore femur with a row of posterodorsal setae. Fore tibia with 1 dorsal/anterodorsal seta, 1 posterior seta at middle, 1 preapical dorsal and 1 apical posterior setae. Mid femur with 2 posteroventral setae basally and 1 preapical posterodorsal seta. Mid tibia with 1 anterodorsal, 1 preapical dorsal setae and a ring of apical setae. Hind femur with 2–4 anterodorsal setae in apical half. Hind tibia with 1–2 anterodorsal, 1 preapical dorsal setae, also with 1 apical anteroventral seta.

Wing slightly brownish; veins brownish. R 1 setulose on apical half of dorsal surface. Calypters, margins of calypters, and halteres pale yellow.

Abdomen black, subshining. Male sternite 4 circular; sternite 5 transverse, with shallow rounded median lobes, carrying spinules ( Fig. 18 ). Epandrium, cercal plate and surstyli as in Figs 54–56 .

DISTRIBUTION. Russia: Altai, Krasnoyarsk Krai .

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 51–59. Epandrium, cercal plate and surstyli of Gimnomera spp.: 51–53 — G. nigricorpus sp.n.; 54–56 — G. novgorodovae (Ozerov); 57–59— G. nudipedis sp.n.; 51, 54, 57 — dorsolateral view; 52, 55, 58 — lateral view; 53, 56, 59 — dorsal view. Рис. 51–59. Эпандрий, церки и сурстили Gimnomera spp.: 51–53 — G. nigricorpus sp.n.; 54–56 — G. novgorodovae (Ozerov); 57–59— G. nudipedis sp.n.; 51, 54, 57 — дорсолатерально; 52, 55, 58 — сбоку; 53, 56, 59 — сверху.