Bathythrix claviger (Taschenberg, 1865)

(SJN: Kuro-mame-togari-himebachi)

(Figs 10A–C)

Cryptus claviger Taschenberg, 1865: 76 .

Cryptus (Chaeretymma) ater Brischke, 1881: 337 .

Bathythrix tibialis Cushman, 1917: 458 .

Description. See Sawoniewicz (1980).

Materials examined. JAPAN: KPM-NK 81874, F, Hokkaido, Shintoku town, Tomuraushi, 23. VI. 2017, K. Watanabe leg. ; KPM-NK 81876, F, Yamanashi Pref., Hokuto City, Masutomi, Biwakubo-sawa, 24. VI. 2007, K. Watanabe leg. ; KPM-NK 81875, F, Toyama Pref., Toyama City, Arimine, Jyuroudani, 7–14. VII. 2009, M. Watanabe et al. leg. (MsT) . GERMANY: ZSM, M (det. Sawoniewicz), Handorfer Gel., Rendsbg, 8. VII. 1962 ; ZSM, F (det. Sawoniewicz), Schraudenbach Würzburg, 4. VI. 1968 .

Distribution. Japan (Shikotan Is., Hokkaido, and Honshu*); widely distributed in Palearctic region.

Bionomics. Unknown in Japan. Some sawflies and coleopterans have been recorded as the hosts (see Yu et al., 2016).

Remarks. This is the first record of this species from Honshu.