References. Jacobson 1902: 76; Guselnikov and Medvedev 1984: 20.
Distribution. Europe, Asian Russia (W and E Siberia, Far East), Mongolia, North Korea, China.
Material Examined. Bely Yar, 30.vi.1984, 2 ex. (V. Yanovsky) (IFK); Nazarovo, 30.vi.1984, 2 ex. (V. Yanovsky) (IFK); same locality, 25.vi.1987, 1 ex. (S. Loshchev) (SLCK); Sartachul, 20.vii.1987, 9–30.vi.1988, 11.vii.1988, 4 ex. (S. Loshchev) (SLCK); Akademgorodok, 15.vi.1995, 2 ex. (S. Loshchev) (SLCK); Daurskoye, 5.vii.2008, 16 (E. Akulov) (EACK); Snezhnitsa, 5.vi.2009, 1♀ (M. Ivanov) (MICK).