Cordilura picticornis ( Loew, 1864 )

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 : 463-465

Cordilura picticornis ( Loew, 1864)

Figs 84–86 .

picticornis Loew, 1864: 22 ( Cordylura ). Type-locality: “Sibiria” ( Russia).

latigenis Hendel, 1930: 3 ( Cordylura ). Type-locality: “Petropavlovsk” ( Russia, Kamchatka Krai).

REMARKS. The species was described by Loew [1864: 22] from Siberia without indicating a specific locality, after registered for Russia by Hendel [1930: 3, as

C. latigenis ] from Kamchatka Krai. Noted by Gorodkov [1970: 448] from Kola Peninsula and Polar Ural, also from Siberia and Far East, but without indicating specific locality [ Gorodkov, 1986: 15]. Registered from Chukotka and Magadan Oblast [ Ozerov, Krivosheina, 2014: 211] and from Yakutia [ Bagachanova et al., 2016: 779].

MATERIAL EXAMINED. Altai: Kosh-Agach, plato Ukok, 2450 m, Lake Muzdy-Bulak (49.3ºN 87.65ºE), 8.VII.2008, A. Barkalov (9 ♂♂, 2 ♀♀, ISEA and ZMUM) ; the source of the River Naryn-Gol from Lake Kindyktykul’ , 2477 m, (49.83ºN, 89.44ºE), 19.VII.2009, A. Barkalov (3 ♂♂, 1 ♀, ISEA) ; Kuray env. (50.233ºN 87.930ºE), 22–24.VII.2006, A. Ovchinnikov (1 ♂, ZISP) ; Kosh-Agach (49.997ºN 88.670ºE), 24. VI. and 31.VII.1964, Nartshuk (2 ♂♂, ZISP) ; Arkhangelsk Oblast: Nar’yan-Mar (67.627ºN, 53.000ºE), 7.VII.2008, A.L. Ozerov (2 ♂♂, 4 ♀♀, ZMUM) ; Nar’yan-Mar (67.636ºN 53.031ºE), 2 and 20.VIII.1978, Gorodkov (17 ♂♂, 14 ♀♀, ZISP) ; Nenetsky Nature Reserve , cordon “Bol’shoy Gusinets” (68.175ºN, 53.645ºE), 10.VII.2008, A.L. Ozerov, N. Vikhrev (3 ♂♂, ZMUM) ; the lower reaches of the River Pechora , Kashin I. (68.242ºN, 53.856ºE), 10.VII.2008, A.L. Ozerov (3 ♂♂, 1 ♀, ZMUM) ; the lower reaches of the River Pechora (68.334ºN 53.304ºE), 11.VII.2008, A.L. Ozerov (1 ♀, ZMUM) ; Karpogory (ca. 64ºN 44.45ºE), River Pinega , 10.VII.1996, Gorodkov (2 ♀♀, ZISP) ; Nizhnyaya Pesha (66.751ºN 47.760ºE), 23.VII., 2 and 22.VIII.1978, Gorodkov (2 ♂♂, 4 ♀♀, ZISP) ; Chukotka: bank of the River Anadyr (64.72ºN 175.21ºE), 25. VI.–19.VII.2014, A. Barkalov (2 ♀♀, ZMUM) ; Kamchatka Krai: Uzon (54.503ºN 159.99ºE, 54.487ºN 159.977ºE), 16 and 17.VII., 1.VIII.1977, Stenchenko (1 ♂, 2 ♀♀, ZMUM) , same place, 11.VII.1987, 20.VII.2009, L. Lobkova (2 ♂♂, 2 ♀♀, ZMUM) ; Valley of Geysers (ca. 54.43ºN 160.15ºE), 12.VIII.1985, V. Zlobin (1 ♂, 1 ♀, ZISP) ; Lake Nerpich’e (ca. 56.326ºN 162.684ºE), Khalmychensky Cape, 10.VII.1909, Derzhavin (3 ♂♂, ZISP) ; Ust’-Kamchatsk (56.229ºN 162.469ºE), 15.VII.1909, A. Derzhavin (1 ♂, ZISP) ; Korf (60.376ºN 166.023ºE), 29. VI.1959, Gorodkov (1 ♂, ZISP) ; Lake Kultuchnoe (53.03ºN, 158.64ºE), 5–9.VII.2020, F. Martynovchenko (1 ♂, ZMUM) ; Karelia: Primorskiy (66.546ºN 33.103ºE), 4–6.VII.2010, A.L. Ozerov (1 ♂, 6 ♀♀, ZMUM) ; Khabarovsk Krai: Shantarskie Islands (ca. 54.922ºN 137.683ºE), 28.VII.1911, V. K. Soldatov (1 ♂, ZISP) ; Komi: Shchel’yabozh (66.29ºN 56.45ºE), 14.VIII.1978, Gorodkov (1 ♂, 4 ♀♀, ZISP) ; 3 km N of Ust-Tsilma (ca. 65.45ºN 52.11ºE), Roshchinskiy, 10.VIII.1978, Gorodkov (2 ♀♀, ZISP) ; Ust-Tsilma (65.440ºN 52.153ºE), 9.VIII.1978, Gorodkov (1 ♀, ZISP) ; Krasnoyarsk Krai: Igarka (67.457ºN 86.598ºE), River Yenisei , 30. VI.1967, Gorodkov (1 ♀, ZISP) ; Magadan Oblast: (59.568ºN 150.809ºE), 27.VII.1963, Zhelokhovtsev (1 ♀, ZMUM) ; 30 km W of Magadan Town (59.683ºN 150.333ºE), 28. VI.2017, V. Sorokina (1 ♀, ISEA) ; Koni peninsula, Plosky Cape (59.161ºN 151.643ºE), 3.VII.2016 and 7.VII.2017, N. Tridrich (2 ♂♂, ZMUM) ; Sakhalin Oblast: Paramushir I., Severo-Kuril’sk (50.679ºN 156.132ºE), 5.IX.1968, Gorodkov (1 ♂, ZISP) ; Sakhalin I., Nadezhda Bay (ca. 49.273ºN 142.074ºE), 9.VII.1908, Soldatov (1 ♂, ZISP) ; Tyumen’ Oblast: Shapsha env. (61.085ºN 69.458ºE), 14–16.VII.2010, K. Tomkovich (1 ♀, ZMUM) ; Gaz-sale (67.364ºN 78.998ºE), 18 km SE of Tazovskoe, 31.VII.1977, Gorodkov (1 ♂, 1 ♀, ZISP) ; Yakutia: the mouth of the River Vilyuy (64.285ºN 126.386ºE), 8– 16. VI.1875, Chekanovskiy (3 ♂♂, 1 ♀, ZISP) ; Cherskiy (68.750ºN 161.332ºE), 4.VII.1971, Chelnokov (13 ♂♂, 3 ♀♀, ZISP) .

DIAGNOSTIC DESCRIPTION. Male. Female. Body-length 6.2–9.4 mm. Head. Frontal vitta yellow or reddish yellow, with whitish reflection; fronto-orbital plate black, greyish dusted. Face and parafacial yellow with golden reflection. Gena from yellow to brown. Postcranium black, grey dusted. 3 orbital and 4–5 frontal setae present. Antenna black. Scapus and pedicel yellowish or brownish; postpedicel usually yellowish basally and black in apical part, approximately 1.5–2

times as long as wide. Arista plumose, the longest hairs approximately equal to the width of postpedicel. Palpus yellow. Thorax black, grey 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. Fore femur blackish basally and yellow apically or black completely; mid and hind femora from yellow completely to black completely. Tibiae of all legs yellow. Tarsi of all legs from yellow to blackish. Wing tinged with yellow; veins brownish. Vein R 1 setulose on apical third of dorsal surface. Abdomen black, grey dusted. Male sternite 4 trapezoid, slightly wider than long. Male sternite 5, epandrium and surstyli as in Figs 84–86 .

DISTRIBUTION. Russia: Altai, Arkhangelsk Oblast, Chukotka, Kamchatka Krai, Karelia, Khabarovsk Krai, Komi, Krasnoyarsk Kray, Magadan Oblast, Sakhalin Oblast, Tyumen’ Oblast, Yakutia. — Europe, North America .

Figures

Figs 78–86. Cordilura nubilosa sp.n. (78–80), C. picipes (Meigen) (81–83) and C. picticornis (Loew) (84–86): 78, 81, 84 — male sternite 5; 79, 82, 85 — epandrium and surstyli, lateral view; 80, 83, 86 — same, dorsal view. Рис. 78–86. Cordilura nubilosa sp.n. (78–80), C. picipes (Meigen) (81–83) и C. picticornis (Loew) (84–86): 78, 81, 84 — стернит 5 самца; 79, 82, 85 — Эпандрий и сурстили, сбоку; 80, 83, 86 — то же, сверху.