Arganthomyza socculata

Arganthomyza socculata (Zetterstedt, 1847)

Material examined. RUSSIA: Wൾඌඍ Sංൻൾඋංൺ: Khanty-Mansy AO: Shapsha env., 61.085°N 69.458°E, 42 m, forest, 1.–4.viii.2010, 1 J, K. Tomkovich leg. (ZMUM, genit. prep.); Central Altai: Ust‘-Koksa distr., Kuzuyak pass, ~ 50°06ʹN 86°26ʹE, 1000–1400 m, 26.vi.2007, 1 ♀, O. Kosterin leg. (ZMUM); Krasnoyarsk, 70 km W st. Kryuchkovo, 14.–23. vii.2009, 2 JJ (1 J genit. prep.); same locality, garden, yellow pan traps, 15.–24.vii.2009, 3 JJ, all K.Tomkovich leg. (all ZMUM). Eൺඌඍ Sංൻൾඋංൺ: Irkutskaya oblast: Kultuk village, W end of Baikal lake, 51°43ʹ36ʺN 103°43ʹ08ʺE, 428 m, meadow, swamp and ruderal area, Rhinanthus present, swept and emptied in photoeclector, Ru2177, 22.vii.2016, 3 JJ 2 ♀♀, M. von Tschirnhaus leg. (SMOC, in pure ethanol).

Distribution. A boreo-alpine species widespread in the northern belt of the Palaearctic Region, ranging from Iceland to Kamchatka (RඈIJගඹൾκ 2009) but also recorded from Alaska in the Nearctic Region (RඈIJගඹൾκ & Bൺඋൻൾඋ 2013, 2016). In the E. Palaearctic, already known from Kazakhstan, Kirghizia, Mongolia, Russia (West and East Siberia, Far East) and from a single specimen from North Korea (RඈIJගඹൾκ 2006). Additional records from further areas of West and East Siberia are presented above.