Dysstroma korbi (Heydermann, 1929) Fig. 1: 6

Material. Russia: Kunashir Island, 4.5 km NW Mendeleyevo Airport, Tretyakovo village, 17.09– 22.09.2019, 4 ex., leg. S. Rybalkin.

Distribution. Russia (Khabarovsky Krai, Primorsky Krai) (Lelej 2016), Japan (Hokkaido, Honshu), Korea, NE China. The species is recorded for the first time from the Kuril Islands.