Material. Khabarovsk, floodplain of the Amur River, on the silted bank, end of June 1997, E. Novomodnyi leg., 1♂.
Distribution. A nemoral East Asian species: the Russian Far East (Primorsky Region, South Khabarovsky Region, Jewish Autonomous Region, South Amur Region, South Sakhalin, the southern Kuril Islands: Kunashir), North Korea, Japan (Hokkaido, Honshu, Shikoku).