Family Glossosomatidae Ulmer

Author: Naotoshi KUHARA
E-mail: naotoshi.kuhara[AT]nifty.com
Last updated: 1 November 2026

Subfamily Agapetinae Martynov

Genus Agapetsu Curtis

Iwata (1927a, b) recorded European species, Agapetus comatus Pictet and A. fuscipes Curtis from Japan based on larval specimens, but Tsuda (1958) and Nozaki et al. (1994) pointed out his identifications were wrong.

Agapetus annulicornis (Matsumura, 1907)

Hydroptilus annulicornis Matsumura 1907

Distribution. Japan (Hokkaido, Honshu).

Agapetus budoensis Kobayashi 1982

Distribution. Japan (Hokkaido, Honshu).

Agapetus hieianus (Tsuda, 1942)

Synagapetus hieianus Tsuda 1942a

Distribution. Japan (Honshu).

Agapetus inaequispinosus Schmid, 1970

Distribution. Japan (Hokkaido), Russia (south Kuril, Sakhalin, east Siberia), Mongolia.

Agapetus komanus (Tsuda 1942)

Synagapetus komanus Tsuda 1942a

Distribution. Japan (Hokkaido, Honshu, Kyushu, Fukue-jima).

Agapetus sibiricus Martynov 1918

Synagapetus japonicus Tsuda 1940

Agapetus japonicus: Ross 1951

Distribution. Japan (Honshu, Shikoku, Kyushu, Koshikijima-retto), Russia (Sachalin, Primorye, Khabarovsk, South Siberia), Korea, Taiwan.

Agapetus yasensis (Tsuda 1942)

Synagapetus yasensis Tsuda 1942a

Distribution. Japan (Honshu, Shikoku, Kyushu, Ryukyu (Yakushima, Okinawa-jima)).

Genus Electragapetus Ulmer

Electragapetus kuriensis Kobayashi 1987

Distribution. Japan (Honshu).

Electragapetus (Eoagapetus) mayaensis Kobayashi 1982

Distribution. Japan (Honshu).

Electragapetus (Eoagapetus) tsudai Ross 1951

Distribution. Japan (Honshu).

Electragapetus (Eoagapetus) uchidai Kobayashi 1982

Distribution. Japan (Honshu).

Electragapetus species indeterminate

Subfamily Glossosomatinae Wallengren

Genus Glossosoma Curtis

Nozaki et al. (1994) pointed out larval records of Glossosoma boltoni and G. vernale Pictet in Japan by Iwata (1927a, b) are wrong.

Glossosoma (Synafophora) altaicum (Martynov 1914)

Mystrophora altaica Martynov 1914

Mystrophora lauta Tsuda 1940

Distribution. Japan (Hokkaido, Honshu, Shioku, Kyushu), Russia (south Kuril, Sakhalin, Primorye, Khabarovsk, south Siberia), Korea, China (Heilongjiang), Mongolia.

Glossosoma (Synafophora) dulkejti (Martynov 1934)

Eomystra dulkejti Martynov 1934

Distribution. Japan (Hokkaido, Rebun-to), Russia (Far East).

Glossosoma (Synafophora) hospitum (Tsuda 1940)

Mystrophora hospita Tsuda 1940

Glossosoma hospitum: Ross 1956

Distribution. Japan (Honshu).

Glossosoma (Synafophora) japonicum Kobayashi 1972

Distribution. Japan (Honshu, Kyushu).

Glossosoma (Synafophora) neffi Arefina 2000

Glossosoma altaicum (non Martynov 1914): Ijima and Tsuchiya 2014

Distribution. Japan (Hokkaido), Russia (Sakhalin, Khabarovsk).

Glossosoma (Synafophora) nichinkata Schmid 1971

Glossosoma speculare Kobayashi 1972

Distribution. Japan (Honshu, Kyushu).

Glossosoma (Synafophora) sadoense Kobayashi 1982

Glossosoma sadoense Kobayashi 1982a

Distribution. Japan (Sado-ga-shima).

Glossosoma (Synafophora) sumitaense Kobayashi 1982

Distribution. Japan (Hokkaido, Honshu).

Glossosoma (Synafophola) uogatanum Kobayashi 1982

Distribution. Japan (Honshu).

Glossosoma (Synafophora) ussuricum (Martynov 1934)

Mystrophora ussurica Martynov 1934

Mystrophora inops Tsuda 1940

Glossosoma ussuricum: Ross 1956

Glossosoma inops: Ross 1956

Distribution. Japan (Hokkaido, Honshu, Shikoku, Kyushu, Ryukyu (Yakushima), Sado-ga-shima, Koshikijima-retto), Russia (central and south Kuril, Sakhalin, Primorye, Khabarovsk, south Siberia), Korea, China (Heilongjiang, Jinlin).

Glossosoma (Synafophora) yamanouchii Kuhara 2008

Distribution. Japan (Hokkaido).