Euryproctus annulatus ( Gravenhorst, 1829 )

Watanabe, Kyohei, 2024, Taxonomic Study of Japanese Ctenopelmatinae (Hymenoptera, Ichneumonidae), with Descriptions of 22 New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 53, pp. 39-102 : 52

Euryproctus annulatus ( Gravenhorst, 1829) (SJN: Higejiro-kuro-maru-himebachi)

( Figs. 8A, B )

Mesoleptus annulatus Gravenhorst, 1829: 11 . Mesoleptus annulator Stephens, 1835: 223 .

Description. See Sheng et al. (2020).

Materials examined. JAPAN: KPM-NK 84818 , F, Hokkaido, Horokanai Town, Uryu , 11–17. VII. 2012 , K. Watanabe et al. leg. (MsT); KPM-NK 84819 , M, Aomori Pref., Nishimeya Vil., Kawaratai , 28. IX. – 19. X. 2010, T. Nakamura leg. (MsT) ; KPM-NK 84820 , F, Gunma Pref., Tsumagoi Vil., Takamine-kogen , 3. IX. 2015, K. Watanabe leg ; KPM-NK 84821 , M, Tochigi Pref., Kuroiso Town, Ohkawa F. R., 6. X. 2001, E. Katayama leg. ; KPM-NK 84822 , F, Kanagawa Pref., Atsugi City, Funako , 6. V. – 7. VI. 2016, Y. Kato & S. Koizumi leg. (MsT) ; KPM-NK 84823 , F, Toyama Pref., Toyama City, Arimine, Jyurodani , 4–11. VIII. 2009 , M. Watanabe et al. leg. (MsT); KPM-NK 84824 , F, ditto, 16–25. VIII. 2009 ; KPM-NK 84825 , F, ditto, 15–22. IX. 2009 . GERMANY: MNHAH, F (det. Heinrich), Hohnheide b. Trittau Bez. Hamburg, IX. 1945, G. Heinrich leg. ; ZSM, F (det. E. Bauer), Allgäu, Riezlern , 26. VIII. 1953, A. Peters leg. ; ZSM, M (det. R. Bauer), Oberstdorf , 1. IX. 1969 .

Distribution. Japan (Hokkaido and Honshu); widely distributed in Palearctic region.

Bionomics. Unknown in Japan. In Europe, three sawflies, Macrophya ribis (Schrank, 1781) , Rhogogaster viridis (Linnaeus, 1758) , and Siobla sturmii (Klug, 1817) (all Tenthredinidae ), were recorded as hosts ( Rudow, 1919; Hinz, 1961).

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

Figures

Fig.8. Euryproctus annulatus (Gravenhorst,1829) (A, B: KPM-NK 84820, female) ―A: lateral habitus; B: head,frontal view.