Two new species of the genus Rhyacophila Pictet (Trichoptera, Rhyacophilidae) from Korea and Japan Author Nozaki, Takao 3 - 16 - 15, Midorigaoka, Ninomiya-machi, Naka-gun, Kanagawa, 259 - 0132 Japan. Author Park, Sun-Jin Department of Life Science, Kyonggi University, Suwon 16227, Korea. text Zootaxa 2021 2021-11-09 5067 1 97 105 journal article 3646 10.11646/zootaxa.5067.1.5 74f3ce16-7e8f-420a-b76e-d306ea2a42ad 1175-5326 5656552 4763DE40-3A0D-4F23-9381-3C4754A59AE4 Rhyacophila confissa Botosaneanu 1970 ( Figs 2 , 6 , 9 ) Rhyacophila confissa Botosaneanu 1970 , 285–287, 326, 329, plate VI figs 1–5, plate IX figs 5–8, male, female. Adult. Forewings each 10.0– 11.5 mm in male (n = 14), 11.5–12.1 mm in female (n = 6). Ratio of width of eye to distance between eyes 0.23–0.31 in male (n = 10), 0.21–0.25 in female (n = 6). Specimens examined. KOREA : 26 males , 3 females , Kangrimchon , Chiaksan National Park , Pugok-ri , Hoengsong-gun , Gangwon-do , 19.v.2000 , T . Nozaki (net sweeping) ( TN ) ); 4 males , 3 females , Gombaeryeong , Bangtaecheon Stream , Jindong-ri 218, Girin-myeon , Inje-gun , Gangwon-do , 23.v.2018 , MS. Kang (net sweeping) ( SJP ) ; 2 males , Jangjeon Valley , Jangjeon-ri 218, Jinbu-myeon , Pyeongchang-gun , Gangwon-do , 16.v.2015 , MS. Kang (net sweeping) ( SJP ) ; 4 males , Byeongjibang Valley , Byeongjibang-ri , Gapcheon-myeon , Hoengsung-gun , Gangwon-do , 06.v.2016 , MS. Kang (net sweeping) ( SJP ) ; 1 male , 2 females , Geumcheon Valley , Geumcheon-ri , Daapmyeon , Gwangyang-si , Jeollanamdo , 9.iv.2016 , MS. Kang (net sweeping) ( SJP ) . Distribution. The Korean Peninsula ( South Korea and North Korea ).