Melanchra postalba Sugi, 1982

Fig. 5

MATERIAL. Russia: Sakhalin Island, Korsakovo distr., 10 km NW Lesnoe, Dolinka river, 5‒6.VIII 2015, 2 ♂, leg. S. Rybalkin.

DISTRIBUTION. Japan, Korea, China, Russia (Primorskii krai) (Anikin et al., 2016).

Here this species is firstly recorded from Sakhalin Islands.