Cordilura nubecula Sasakawa, 1986

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 : 461

Cordilura nubecula Sasakawa, 1986

Figs 75–77 .

nubecula Sasakawa, 1986: 43 ( Cordilura ). Type-locality: Utukusigahara ( Japan, Nagano Pref.).

REMARK. The species was firstly registered in Russia by Ozerov & Krivosheina [2012b: 4] from Khabarovsk Krai, and after also included in list of Cordilura species of Far East of Russia [ Ozerov, Krivosheina, 2014: 211].

MATERIAL EXAMINED. Khabarovsk Krai: Boitsovo 20 km N of Bikin (46.982ºN 134.324ºE), 250 m, 24–27. V .1993, C. Lange & J. Ziegler (1 ♂, ZMUM) .

DIAGNOSTIC DESCRIPTION. Male. Body-length 6.2–7.3 mm [ Sasakawa, 1986: 44; Iwasa, 2020: 477]. Head. Frontal vitta and fronto-orbital plate yellow. Face, parafacial and gena yellowish, with weak whitish reflection. Postcranium yellow in lower part and black in upper half. 2 orbital and 2–3 frontal setae present. Antenna pale yellow. Postpedicel approximately 2 times as long as wide. Arista plumose, the longest hairs approximately equal to the width of postpedicel. Palpus yellow. Thorax yellow in ground colour, but scutum black completely, anepimeron, katatergite and mediotergite blackish. Acrostichals setulose in two rows, dorsocentrals 3+3 (including scapular seta), intra-alars 1+(0–1), supra-alars 1+2, 2 postpronotals. Scutellum with a pair of strong discal setae only; apical scutellar setae as setulae. Legs shining, yellow. Wing tinged with brownish, with a distinct brown spot apically; veins blackish. Vein R 1 setulose on apical third of dorsal surface. Abdomen black, subshining. Sternite 4 trapezoid, slightly longer than wide. Sternite 5, epandrium and surstyli as in Figs 75–77 .

Female. Not studied.

DISTRIBUTION. Russia: Khabarovsk Krai. — Japan [ Sasakawa, 1986: 43; Iwasa, 2020: 477].

Figures

Figs 69–77. Cordilura monochroma Ozerov et Krivosheina (69–71), C. negrobovi Ozerov et Krivosheina (72–74) and C. nubecula Sasakawa (75–77): 69, 72, 75 — male sternite 5; 70, 73, 76 — epandrium and surstyli, lateral view; 71, 74, 77 — same, dorsal view. 69– 71 — after Ozerov & Krivosheina, 2014, figs 16, 18, 19; 72–74 — after Ozerov & Krivosheina, 2017, figs 7–9; 75–77 — after Ozerov & Krivosheina, 2012b, figs 5, 7, 8. Рис. 69–77. Cordilura monochroma Ozerov et Krivosheina (69–71), C. negrobovi Ozerov et Krivosheina (72–74) и C. nubecula Sasakawa (75–77): 69, 72, 75 — стернит 5 самца; 70, 73, 76 — Эпандрий и сурстили, сбоку; 71, 74, 77 — то же, сверху. 69–71 — по Ozerov & Krivosheina, 2014, figs 16, 18, 19; 72–74 — по Ozerov & Krivosheina, 2017, figs 7–9; 75–77 — по Ozerov & Krivosheina, 2012b, figs 5, 7, 8.