Rhembobius perscrutator ( Thunberg, 1822 )

Watanabe, Kyohei, 2021, Taxonomic and Zoogeographic Study of the Japanese Phygadeuontinae (Hymenoptera, Ichneumonidae), with Descriptions of 17 New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 50, pp. 55-136 : 93-94

Rhembobius perscrutator ( Thunberg, 1822)

(SJN: Tsuya-chibi-togari-himebachi)

( Figs 32A–D )

Ichneumon perscrutator Thunberg, 1822: 257 .

Cryptus basalis Smith, 1874: 392 .

Acanthocryptus nigrita mesocastaneus Constantineanu, 1929: 522 .

Description. See Horstmann (2000).

Materials examined. JAPAN: KPM-NK 81959, F, Saitama Pref., Yorii town, 27. V. 2013, T. Nambu leg.; KPM-NK 81957 , F, Kanagawa Pref. , Yokosuka City , Mt. Miura-fuji to Mt. Takeyama, 13. VII. 2008, K. Watanabe leg. ; KPM-NK 81956 , 81960 , F & M, Niigata Pref. , Nagaoka City, Urase Town, 7–23. VI. 2015, R. Shimizu et al. leg. (MsT) ; KPM-NK 81958 , F, Toyama Pref. , Toyama City , Arimine, Inonedani, 28. VII. – 4. VIII. 2009, M. Watanabe et al. leg. (MsT) ; KPM-NK 81961 , F, Osaka Pref. , Higashiosaka City, Hiraoka-park, 1. VI. 2012, K. Watanabe leg. ; NHMUK, F (type of Cryptus basalis ), “ Hiogo ”. GERMANY: ZSM, F (det. Sawoniewicz), Blankenburg, Schmiedeknecht leg. SLOVENIA: ZSM, F (det. Sawoniewicz), Rogaška , Slatina, 4. VII. 1938, E. Bauer leg.

Distribution. Japan (Kunashiri Is., Hokkaido, Honshu, and Shikoku); widely distributed in Palearctic region ( Yu et al., 2016).

Bionomics. Unknown in Japan. In Europe, some species of Syrphidae ( Diptera ) have been recorded as the host ( Yu et al., 2016).

Figures

Fig. 32. Rhembobius perscrutator (Thunberg,1822), KPM-NK 81957 (A, C, D) and 81961 (C), females from Japan ―A, lateral habitus; B, head, frontal view; C, fore wing; D, propodeum, T I, and T II, dorsal view.