References. Guselnikov and Medvedev 1984: 19.; Yanovsky 1996: 33.
Distribution. Asian Russia (W Siberia, E Siberia), Mongolia, China.
Material Examined. Sartachul, 20.vi.1988, 1 ex. (V. Yanovsky) (IFK); Snezhnitsa, 05.vi.2009, 1 ex. (M. Ivanov) (MICK); Sayano–Shushenskaya Dam, 24.vi.2011, 16 (E. Akulov) (EACK); Stolby Nature Sanctuary, 17.vi.2014, 16 (E. Akulov) (EACK).
Notes. Type locality: Irkutsk (Faldermann 1835).