Cordilura sagittifera Gorodkov, 1974

Ozerov, A. L. & Krivosheina, M. G., 2020, A review of the genus Cordilura Fallén, 1810 (Diptera: Scathophagidae) of Russia, Russian Entomological Journal 29 (4), pp. 439-480 : 473

Cordilura sagittifera Gorodkov, 1974

Figs 107–109.

sagittifera Gorodkov, 1974: 388 ( Cordilura ). Type-locality: 6 km E of Kyren , 700 m (ca. 51.677ºN 102.214ºE) ( Russia, Buryatia).

REMARK. This species was described on material from Buryatia and Irkutsk Oblast [ Gorodkov, 1974: 388] and later registered from Amur Oblast and Primorsky Krai [ Ozerov, Krivosheina, 2014: 212], also from Yakutia [ Bagachanova et al., 2016: 779].

MATERIAL EXAMINED. Altai: Lake Kolyvanskoe (51.363ºN 82.191ºE), 8.IX.2007, O. Kosterin (1 ♂, ZMUM) ; Amur Oblast: Zeysky Nature Reserve , cordon “ 52 km ” (54.087ºN 126.871ºE), 7.VIII.1981, A. Ozerov (1 ♂, 1 ♀, ZMUM) ; Bashkiria: Beloretsk (54.051ºN 58.268ºE), 12.VIII.2012, D. Gavryushin (1 ♂, ZMUM) ; Buryatia: Khargun, 6 km E of Kyren (51.677ºN, 102.214ºE), Sayan Mountains , 700 m, 11.VII.1965, Gorodkov (holotype ♂, 1 paratype ♀, ZISP) ; Novosibirsk Oblast: Novosibirsk env. (54.842ºN 83.114ºE), 9–10.IX.2009, 14.VI.2008, O. Kosterin (2 ♂♂, ZMUM) ; same place (54.75ºN 83.01ºE), 11. V.2008, O. Kosterin (1 ♂, ZMUM) ; Primorsky Krai: Lake Khanka (45.06ºN 131.99ºE), 4– 6.VII.2014, N. Vikhrev (1 ♂, ZMUM) ; Yakutia : Alagar-Khoy, 18

km N of Tyungyulyu (62.346ºN 130.649ºE), 21.VII.1985, Bagachanova (1 ♂, ZISP); Mikhaylovka, 60 km NE of Amga (61.214ºN 132.681ºE), 7.VII.1987, Bagachanova (3 ♀♀, ZISP); Yakutsk env. (62.0345ºN 129.618ºE), 22. V .–15.VIII.1900, Olenin (2 ♂♂, ZISP); Zabaykalsky Krai: Ulyatuy (51.168ºN 116.227ºE), 16.VIII.2016, A. Medvedev (1 ♀, ZMUM) .

DIAGNOSTIC DESCRIPTION. Male. Female. Body-length 6.0– 7.6 mm. Head. Frontal vitta black, with whitish reflection; fronto-orbital plate black, greyish dusted. Face and parafacial yellowish with whitish reflection. Gena blackish. Postcranium black, grey dust- ed. 3 orbital and 2–3 frontal setae present. Antenna black. Postpedicel approximately 2 times as long as wide. Arista plumose, the longest hairs approximately equal to the width of postpedicel. Palpus black. Thorax black, delicately grey dusted. Acrostichals setulose in two rows, dorsocentrals 3+3 (including small scapular seta), intra-alars (0–1)+2, supra-alars 1+2, 2 postpronotals. Scutellum with a pair of strong discal setae only; apical scutellar setae as setulae or absent. Legs greyish dusted. Fore coxa black; femora of all legs black; tibiae and tarsi of all legs yellow. Wing tinged with brownish; veins blackish. Vein R 1 setulose on apical third of dorsal surface. Abdomen black, delicately grey dusted. Male sternite 4 rectangular, slightly wider than long. Male sternite 5, epandrium and surstyli as in Figs 107–109.

DISTRIBUTION. Russia: Altai, Amur Oblast, Bashkiria, Buryatia, Novosibirsk Oblast, Primorsky Krai, Yakutia, Zabaykalsky Krai. — Mongolia [ Gorodkov, 1974: 388].