The family Hydropsychidae Curtis (Trichoptera) in the Ryukyu Archipelago, southwestern Japan Author Ito, Tomiko Author Nozaki, Takao text Zootaxa 2018 2018-10-26 4504 4 545 565 journal article 28064 10.11646/zootaxa.4504.4.6 e597b10d-8e4e-4ffa-8d36-87454b4b35b9 1175-5326 2606666 FA17234E-046E-4165-BEB9-305195E7FD0C 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.