Cordilura krocha Ozerov, 2007

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 : 458-459

Cordilura krocha Ozerov, 2007

Figs 66–68 .

krocha Ozerov, 2007b: 123 ( Cordilura ). Type-locality: Zeya Town ( Russia, Amur Oblast).

REMARK. The species was recorded in Russia from Amur Oblast only.

MATERIAL EXAMINED. Amur Oblast: Zeya Town (53.748ºN 127.261ºE), 3 and 17.VIII.1982, A. Shatalkin (2 ♂♂, ZMUM); Zeysky Nature Reserve , cordon “ 52 km ” (54.087ºN 126.871ºE), 13–14.VIII.1981, A. Ozerov, O. Gorbunov, A. Shatalkin (8 ♂♂, 1 ♀, ZMUM) .

DIAGNOSTIC DESCRIPTION. Male, female. Body-length 3.6–4.0 mm. Head. Frontal vitta black or blackish in upper half and reddish-yellow in lower half; fronto-orbital plate blackish, greyish dusted. Face, parafacial and gena yellowish white. Postcranium blackish in upper half and yellow-whitish in lower half, greyish dusted. 2 orbital and 2 frontal setae present. Antenna yellow, postpedicel darkened in lower half. Postpedicel approximately 2 times as long as wide. Arista nearly bare. Palpus pale yellow. Thorax greyish dusted; completely yellow in female; scutum and mediotergite black, pleural sclerites dark, but lighter in low- er part in male. Acrostichals setulose in two rows or absent, dorsocentrals 3+3 (including scapular seta), intra-alars (0–1)+0, supra-alars 1+2, 1 strong postpronotal. Scutellum with a pair of strong discal setae only. Legs yellow; tarsomere 5 of hind leg dark brownish in male; all tarsi yellow in female. Wing tinged with light brownish; veins brownish. Vein R 1 bare on apical third of dorsal surface. Abdomen blackish greyish dusted; tergites 5 and 6 shining in female. Male sternite 4 rectangular, longer than wide. Male sternite 5, epandrium and surstyli as in Figs 66–68 .

DISTRIBUTION. Russia: Amur Oblast.

Figures

Figs 60–68. Cordilura kakaberrans Ozerov (60–62), C. kosterini Ozerov et Krivosheina (63–65) and C. krocha Ozerov (66–68): 60, 63, 66 — male sternite 5; 61, 64, 67 — epandrium and surstyli, lateral view; 62, 65, 68 — same, dorsal view. 63–65 — after Ozerov & Krivosheina, 2014, figs 10–12. Рис. 60–68. Cordilura kakaberrans Ozerov (60–62), C. kosterini Ozerov et Krivosheina (63–65) и C. krocha Ozerov (66–68): 60, 63, 66 — стернит 5 самца; 61, 64, 67 — Эпандрий и сурстили, сбоку; 62, 65, 68 — то же, сверху. 63–65 — по Ozerov & Krivosheina, 2014, figs 10–12.