Cordilura aemula ( Collin, 1958 )

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 : 446-448

Cordilura aemula ( Collin, 1958)

Figs 4 , 27–29 .

aemula Collin, 1958: 43 ( Cordylura ). Type-localities: “Barton Mills (Suffolk)” ... “Horning Ferry (Norfolk)” ( Great Britain).

REMARK. This species was recorded in Russia from Far East (including Amur Oblast and Khabarovsk Krai) by Ozerov & Krivosheina [2014: 206].

MATERIAL EXAMINED. Kamchatka Krai: Uzon (54.503ºN 159.99ºE) , 20.VII.2009, L. Lobkova (1 ♀, ZMUM); Primorsky Krai: Kedrovaya Pad’ Nature Reserve (43.104ºN 131.512ºE) , 8– 16. VI .2007 , A. Ovchinnikov (1 ♂, ZISP); 15 km SW of Slavyanka (ca. 42.824ºN 131.234ºE), 16. VI .1993 , Belokobyl’skiy (1 ♀, ZISP); Sikhote-Alin Nature Reserve, Blagodatnoe (44.975ºN 136.526ºE), 1–6. VI .2018 , M. Sergeev (2 ♂♂, ZMUM); Yakutia: Yakutsk env. (62.159ºN 129.822ºE), 24. VI .1957 , Gorodkov (1 ♂, ZISP).

DIAGNOSTIC DESCRIPTION. Male. Female. Body-length 7.9–9.2 mm. Head. Frontal vitta reddish yellow, with whitish reflection; fronto-orbital plate black, greyish dusted. Face and parafacial yellow with whitish reflection. Gena yellow or brownish. Postcranium black, grey dusted. 3 orbital and 2–4 frontal setae present. Antenna black. Postpedicel approximately 2–2.5 times as long as wide. Arista pubescent, the longest hairs approximately equal to 1/3–1/2 width of postpedicel ( Fig. 4 ). Palpus black or brown. Thorax black, greyish dusted. Acrostichals setulose in two rows, dorsocentrals 3+3 (including small scapular seta), intra-alars 1+2, supra-alars 1+2, 2 postpronotals. Scutellum with a pair of strong discal and a pair of strong apical setae. Legs greyish dusted. Femora of all legs black; tibiae and tarsi of all legs yellow; tarsomeres 2–4 of fore leg each with small black spot basally. Wing tinged with yellowish; veins yellowish. Vein R 1 setulose on apical third of dorsal surface. Abdomen black, greyish dusted. Male sternite 4 rectangular, longer than wide. Male sternite 5, epandrium and surstyli as in Figs 27–29 .

DISTRIBUTION. Russia: Amur Oblast, Kamchatka Krai, Khabarovsk Krai, Primorsky Krai, Yakutia. — Europe .

Figures

Figs 3–9. Cordilura spp.: 3 — antenna of C. rufipes (Meigen), lateral view; 4 — same of C. aemula (Collin); 5 — same of C. ustulata (Zetterstedt); 6 — same of C. ciliata (Meigen); 7 — head of C. albilabris (Fabricius), lateral view; 8 — palpus of C.remmi (Elberg); 16 — same of C. sifneri Ozerov. Рис. 3–9. Cordilura spp.: 3 — усик C. rufipes (Meigen), сбоку; 4 — то же у C. aemula (Collin); 5 — то же у C. ustulata (Zetterstedt); 6 — то же у C. ciliata (Meigen); 7 — голова C. albilabris (Fabricius), сбоку; 8 — Щупик C.remmi (Elberg); 16 — то же у C. sifneri Ozerov.

Figs 24–32. Cordilura aberrans (Becker) (24–26), C. aemula (Collin) (27–29) and C. albilabris (Fabricius) (30–32): 24, 27, 30 — male sternite 5; 25, 28, 31 — epandrium and surstyli, lateral view; 26, 29, 32 — same, dorsal view. Рис. 24–32. Cordilura aberrans (Becker) (24–26), C. aemula (Collin) (27–29) и C. albilabris (Fabricius) (30–32): 24, 27, 30 — стернит 5 самца; 25, 28, 31 — Эпандрий и сурстили, сбоку; 26, 29, 32 — то же, сверху.