Ethelurgus episyrphicola Kusigemati, 1983

(SJN: Hosohirataabu-togari-himebachi)

(Figs 30A–D)

Ethelurgus episyrphicola Kusigemati, 1983: 110 .

Ethelurgus politus Townes, 1983: 135 . Syn. nov.

Description. See Kusigemati (1983) and Townes (1983).

Materials examined. JAPAN: KPM-NK 81913, F, Hokkaido, Otofuke Town, Kibougaoka-koen, 25. VI. 2017, K. Watanabe leg. ; KPM-NK 81915, M, Saitama Pref., Urawa, Tajima, 9. IV. 1999, T. Nambu leg. ; KPM-NK 81916, F, Saitama Pref., Yorii town, Mure, 17. V. 2001, T. Nambu leg. (YPT) ; KPM-NK 81911, F, Tokyo, Izuoshima Is., Ohshima Town, Mt. Omaru, Tsubakinomori, 5–31. X. 2012, K. Tsujii leg. (MsT) ; KPM-NK 81918, F, Tokyo, Miyakejima Is., Miyake Vil., Tsubota-rindo, 25. VIII. – 22. IX. 2012, K. Tsujii leg. (MsT); KPM-NK 81917, F, Tokyo, Hachijojima Is., Oogakyo, 16–21. V. 2012, K. Tsujii leg. (MsT); KPM-NK 81919–81921, 3 M, Tokyo, Akiruno City, Ninomiya, Tamagawa-riverside, 3. V. 2010, K. Watanabe leg. ; KPM-NK 81914, M, Kanagawa Pref., Yokosuka City, Fukadadai, 11. IV. 1997, I. Kawashima leg. ; KPM-NK 81926, F, Kanagawa Pref., Hakone Town, Ochudo, 21. VI. 2010, M. Takakuwa leg. ; KPM-NK 81925, M, Yamanashi Pref., Koushu City, Yanagisawa-toge, 5. VIII. 2008, K. Watanabe leg. ; TMNH, F, Aichi Pref., Toyohashi City, Imura Town, Takayama, 2. VI. – 6. VI. 2019, S. Morishita leg. (MsT) ; KPM-NK 81922, M, Toyama Pref., Toyama City, Kamegai, 28. VII. – 4. VIII. 2009, M. Watanabe et al. leg. (MsT) ; KPM-NK 81923, F, Fukui Pref., Arashi, 23. IX. 1973, T. Tano leg. ; AEIC, F (holotype of E. politus), Tokushima Pref., Nishino, 18. VI. 1932, K. Sato leg. ; KPM-NK 81912, F, Saga Pref., Tara Town, Mt. Taradake, 20. V. 2011, T. Yamauchi leg. ; SEHU, F (holotype of Et. episyrphicola), Kagoshima Pref., Kagoshima City, 18. XII. 1962, em. from Episyrphus balteatus, K. Kusigemati leg. ; KPM-NK 81924, F, Kagoshima Pref., Tokunoshima Is., Tete, Mt. Amagi-dake, 27. III. 2011, K. Watanabe leg.

Distribution. Japan (Hokkaido *, Honshu, Izuoshima Is.*, Miyakejima Is.*, Hachijojima Is.*, Shikoku, Kyushu, and Tokunoshima Is.*), China, and India.

Bionomics. Host record: Episyrphus balteatus (De Geer, 1776) ( Diptera, Syrphidae) (Kusigemati, 1983).

Remarks. This is the first record of this species from Hokkaido, Izuoshima Is., Miyakejima Is., Hachijojima Is., and Tokunoshima Is.