Taxonomic and Zoogeographic Notes on Japanese Orthocentrinae (Hymenoptera, Ichneumonidae), with Descriptions of Four New Species Author Watanabe, Kyohei Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa 250 – 0031, Japan watanabe-k@nh·kanagawa-museum·jp text Bulletin of the Kanagawa Prefectural Museum (Natural Science) 2023 2023-03-28 52 7 44 journal article 296841 10.5281/zenodo.11283244 b9f71976-9af1-46a9-ab31-a2e72a353865 2189-6720 11283244 3EF5E302-218F-4AED98C3-726441EE48DB Eusterinx (Divinatrix) kurilensis Humala, 2004 [New SJN: Kunashiri-hae-himebachi ] ( Figs. 6A–C , 22K ) Eusterinx ( Divinatrix ) kurilensis Humala, 2004: 67 . Diagnosis . Antenna of male with tyloids from FL VI to FL VIII (sometimes weak in FL VIII). Inner eye orbit strongly convergent ventrally ( Fig. 6B ). Occipital carina complete. T II and T III each divided into two parts by a transverse groove ( Fig. 6C ). Propodeum without a pair of spine-like apophyses ( Figs. 6A, C ). Fore wing with an areolet. T I 2.75–2.9 times as long as maximum width, without conspicuous median dorsal carina except for base. Posterior parts of T II and T III covered with longitudinal striae, which similar to the anterior part (or slightly weaker than anterior part in T III) ( Figs. 6C , 22K ). T IV with a conspicuous transverse groove, its posterior part usually covered with longitudinal striae ( Figs. 6C , 22K ). Hind coxa more or less darkened ( Figs. 6A, C ). Fig. 6. Eusterinx ( Divinatrix ) kurilensis Humala, 2004 (A–C: NARO, female) ― A: lateral habitus; B: head, frontal view; C: head, mesosoma, and metasoma, dorsolateral view. Material examined . JAPAN : ZISP . F ( holotype ), Kunashiri Is. , 7 km N. of Mendeleevo , 2. VIII. 1981 , S. Belokobylskij leg. ; NARO , 2 F & 3 M, Hokkaido , Sapporo City , Jozankei , 20–31. VII. 1989 , K. Maeto & M. Sharkey leg. (MsT) ; NARO , F, ditto, 21–29. VIII. 1989 ; NARO , F, ditto, 29. VIII. – 12. IX. 1989 ; NARO , M, Hokkaido , Kumaishi , Kenichi-gawa , Iwafuchi-zawa , 20. VII. – 1. VIII. 1995 , Y. Ito & T. Ito leg. (MsT) ; EUM , M, Hokkaido , Yuni , Kuobetsu-gawa R. , 2–12. VII. 2007 , N. Kuhara leg. (MsT) ; NARO , F, Hokkaido , Sapporo City , Misumai , Kannon-zawa , 24. VIII. – 7. IX. 1993 , N. Kuhara leg. (MsT) ; KPM-NK 81186 , F, Hokkaido , Bifue , Kusabue-rindo , 17. VIII. – 1. IX. 2012 , N. Kuhara leg. (MsT) ; NARO , 3 M, Nagano Pref. , Shiga-kogen , 26–27. VII. 1961 , J. Minamikawa leg. Distribution . Japan (Kunashiri Is., Hokkaido and Honshu), Far East Russia and Korea ( Yu et al., 2016 ; Humala et al., 2017 ). Remarks . This is the first record of this species from Hokkaido . Longitudinal striation of posterior parts of T III and T IV is sometimes reduced in Japanese specimens.