Gigantalcis flavolinearia (Leech, 1891) Fig. 1: 5

Material. Russia: Kunashir Island, 4.5 km NW Mendeleyevo Airport, Tretyakovo village, 8.09.2019, 1 ♂, leg. S. Rybalkin.

Distribution. Japan (Hokkaido, Honshu, Shikoku, Kyushu), Russia (Sakhalin) (Sinev 2019). The species is recorded for the first time from the Kuril Islands.