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).

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.