Gonarcticus abdominalis ( Zetterstedt, 1846 )

Ozerov, A. L. & Krivosheina, M. G., 2015, A review of the genera Cleigastra Macquart, Gonarcticus Becker, Gonatherus Rondani, Hexamitocera Becker, Nanna Strobl, Orthacheta Becker and Spathephilus Becker (Diptera, Scathophagidae) of Russia, Zootaxa 4012 (2), pp. 201-258 : 212

Gonarcticus abdominalis ( Zetterstedt, 1846)

Figs 25–28 , 44 .

abdominalis Zetterstedt, 1846: 2080 (Cordylura) . Type-locality: “Lapponia Lulensi... alpis Snjerrack” (Lapland, Sweden).

Remarks. Recorded in Russia from Kanin Peninsula (Arkhangel'sk Oblast) by Gorodkov (1970: 449).

Material examined. Krasnoyarsk kray: Taymyr, River Zakharova Rassokha (72.7N 101.08E), 5.VII.2011, A. Barkalov (1 ♂, ZMUM); Taimyr Biosphere Reserve, Ary-Mas field station (72.5N, 101.94E), 14 m, 13– 18.VII.2010, O. Chruleva (1 ♂, ZMUM).

Additional material examined. FINLAND: Kuopio, 16.VI.1865, С. Lundström (1 ♀, ZMH); [ SWEDEN]: “Gellivara VII 59863”, “ Gonarcticus abdominalis Ztt. Det. J.R. Vockeroth 1954 ” (1 ♂, ZMB).

Diagnositic description. Body-length about 5 mm. Frontal vitta yellow. Antenna yellow. Palpus yellow. Eyes not higher than wide. Katepisternum with 3 strong black setae. Legs yellow. Hind tibia without posteroventral apical seta. Vein R1 bare or setulose on apical third of dorsal surface. Abdomen from reddish-yellow to black. Sternites 4 and 5 as in Figs 28, 25 . Epandrium, cerci and surstyli as in Figs 26, 27 .

Distribution. Russia ( Fig. 44 ): Arkhangel'sk Oblast, Krasnoyarsk Kray.— Czech Republic, Scandinavia, Mongolia ( Šifner, 2008: 149).

Figures

FIGURES 22 – 29. Cleigastra sundukovi Ozerov (22 – 24, 29) and Gonarcticus abdominalis (Zetterstedt) (25 – 28): 22 — male sternites 4 (lower) and 5 (upper); 23, 26 — epandrium, cerci and surstyli, lateral view; 24, 27 — same, dorsal view; 25 — male sternites 5; 28 — male sternites 4; 29 — distribution map. Figures 22 – 24 after Ozerov (2013, Figures 21 – 23).

FIGURES 39 – 44. Gonarcticus arcticus (Becker) (39 – 43) and Gonarcticus abdominalis (Zetterstedt) (44): 39 — end of female abdomen, ventral view; 40 — same, dorsal view; 41 — same, lateral view; 42 — male, habitus; 43, 44 — distribution maps.