Hydropsyche orientalis Martynov 1934

Ito, Tomiko & Nozaki, Takao, 2018, The family Hydropsychidae Curtis (Trichoptera) in the Ryukyu Archipelago, southwestern Japan, Zootaxa 4504 (4), pp. 545-565 : 558

publication ID	https://doi.org/ 10.11646/zootaxa.4504.4.6
publication LSID	lsid:zoobank.org:pub:FA17234E-046E-4165-BEB9-305195E7FD0C
DOI	https://doi.org/10.5281/zenodo.5975802
persistent identifier	https://treatment.plazi.org/id/551587C1-7F75-FFCD-28FF-3144E691D5EF
treatment provided by	Plazi
scientific name	Hydropsyche orientalis Martynov 1934
status

Treatment

Hydropsyche orientalis Martynov 1934 , 276–277, fig. 198, male, Russia (Primorye); Tanida 1986, 468–473, fig. 1, male, female, larva, Hokkaido, Honshu, Shikoku, Kyushu, Amami-o-shima, Okinawa-jima; Tanida 1997, 447; Shimura et al. 2014, 43, 55, Amami-o-shima; Kuhara and Ito 2017, 14, 15, Yakushima.

Specimens examined. Amami-o-shima: 14 females, Uken-son, Kogachi-gawa, fall, 19.iii.1999, TI & AO, L; 4 females, Uken-son, Kawaguchi-gawa, 50 m a.s.l., 26.iii.2007, TI , L; 12 females, same locality, 20.x.2014, TI , L; 2 females, Uken-son, 6–8.v.1998, H. Moriya; 1 male, 25 females, Amami-shi, Setouchi, Yakugachi-gawa, middle reach, 5.v.2008, TI , L & S; 14 females, Yamato-son, Materia-gawa, 21.x.2014, TI , L; 1 female, Yamato-son, Yamato-hama, Yamato-gawa, upper reach, 15.v.2014, K. Tojo et al., L; 1 female, Sumiyo-cho, Yakugachi, Yakugachi-gawa, 15.v.2014, K. Tojo et al., L. Okinawa-jima: 2 females, Nago-shi, Genka, 9.x.2008, H. Moriya; 2 males, 26 females, Nago-shi, Genka-gawa, near Hogen-hashi, 22–24.xi.2010, TI , L & P; 16 females, same locality, 8.iv.2011, TI , L & P; 1 male, 28 females, same locality, 17–18.x.2014, TI , P & S; 2 females, Nago-shi, Genkagawa, 40 m a.s.l., 16.iii.2012, TI , L & P; 1 male, 11 females, Kunigami-son, Yona-gawa, Nakafukuji-bashi, 23.xi.2010, TI , P; 2 females, same locality, 18.x.2014, TI , L; 4 females, Kunigami-son, Yona, Sukuna-gawa, 21.iii.1999, TI & AO, L; 2 females, Kunigami-son, Yona, Hiji-gawa, upper reach, 9.iv.2011, TI , L. Kume-jima: 5 males, 8 females, Shirase Dam, 14.iii.1998, M. Maruyama.

Distribution. Japan: Ryukyu (Yakushima, Amami-o-shima, Okinawa-jima, Kume-jima), Hokkaido, Honshu, Shikoku, Kyushu. Continental parts of the Far East Asia.

Remarks. This species is one of the most abundant caddisflies in Far East Asia including Japan and also is common in northern and central Ryukyu.

Japanese name. Urumâ-shima-tobikera.