Cheumatopsyche infascia Martynov 1934

Cheumatopsyche infascia Martynov 1934, 283–285, 341, fig. 205, male, Russia (Far East); Kuhara and Ito 2017, 13–14, Yakushima.

Distribution. Japan: Ryukyu (Yakushima), Hokkaido, Honshu, Shikoku, Kyushu. Korea, Russia (Far East), China (Shaanxi, Szechuan).

Remarks. This is one of the more abundant species of the Hydropsychidae in Far East Asia, including the main islands of Japan and Yakushima Island alone in Ryukyu, indicating that this is an East Palearctic species.

Japanese name. Nami-kogata-shima-tobikera.