Pterocryptus takachihoensis ( Momoi, 1966 ) Kyohei Watanabe, 2019

Kyohei Watanabe, 2019, Taxonomic and Zoogeographical Notes of Japanese Cryptinae (Hymenoptera, Ichneumonidae), with Description of Five New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 48, pp. 81-113 : 102

Pterocryptus takachihoensis ( Momoi, 1966) comb. nov.

( Figs. 2B, G , 10I ) Torbda takachihoensis Momoi, 1966: 166 .

Specimens examined. JAPAN: MNHAH, F (holotype), Kagoshima Is. , Tanegashima Is., 13. VI. 1965, T. Kumata leg. ; KPM-NK 5000299 , F, Kagoshima Pref., Yakushima Is., Aikodake , 22. VII. – 22. VIII. 2006, T. Yamauchi leg. (MsT) ; KPM-NK 5000314–5000316 , 2 F & 1 M, ditto, 27–30. III. 2007 ; KPM-NK 5000319 , F, ditto, 29. IV. – 2. V. 2007 ; KPM-NK 5000301 , 5000302 , 2 F, ditto, 8–28. VI. 2007 ; KPM-NK 5000332 , 5000334 , 2 F, ditto, 2. V. – 5. VI. 2007 ; KPM-NK 5000328–5000331 , 2 F & 2 M, ditto, 5–8. VI. 2007 ; KPM-NK 5000333 , F, ditto, 28. VI. – 29. VII. 2007 ; KPM-NK 5000338 , F, ditto, 28. IX. – 2. XI. 2007 ; KPM-NK 5000303 , F, Kagoshima Pref., Yakushima Is., Kankake , 19–22. VII. 2006, T. Yamauchi leg. (MsT) ; KPM-NK 5000304–5000307 , 4 F, ditto, 22. VII –22. VIII. 2006 ; KPM-NK 5000308 , F, ditto, 5–8. VI. 2007 ; KPM-NK 5000309 , 5000310 , 2 F, ditto, 8–28. VI. 2007 ; KPM-NK 5000311 , F, ditto, 25. VIII. – 28. IX. 2007 ; KPM-NK 5000339 , F, Yakushima Is., Han-yama , 23–26. IX. 2006, T. Yamauchi leg. (MsT) ; KPM-NK 5000342-5000346 , 5 F, ditto, 1. V. – 5. VI. 2007 ; KPM-NK 5000349 , F, ditto, 25. VIII. – 28. IX. 2007 ; KPM-NK 5000350 , 5000351 , 2 F, Yakushima Is., Arakawa , 29. VII. – 25. VIII. 2007, T. Yamauchi leg. (MsT).

Distribution. Japan (Kyushu, Tanegashima Is. and Yakushima Is.).

Remarks. Momoi (1966) used the length of postpetiole for the separation this species from P. uchidai , while this character states shows intraspecific variation. This species resembles P. uchidai and can be distinguished by the following combination of character states in female: posterior margin of T2–T7 with white band ( Fig. 10I ) (without white band in P. uchidai ); T1 2.1–2.2 times as long as maximum width (1.9–2.0 times in P. uchidai ); hind TS1 2.1 times as long as TS2 (2.3 times in P. uchidai ). On the other hand, no difference between the males of P. takachihoensis and P. uchidai is recognizable and thus further comparison with molecular data of them are necessary.

Figures

Fig. 2. Eurycryptus sakaguchii (Uchida, 1932) (A, D, NIAES), Pterocryptus takachihoensis (Momoi, 1966) (B, G, KPM-NK 5000304), Xoridesopus amamiensis sp. nov. (C, KPM-NK 69529; H, KPM-NK 69531), Hedycryptus ohshimensis (Uchida, 1930) (E, L, M, NIAES), Ischnus splendens sp. nov. (F, KPM-NK 69415), Cryptus dianae (Gravenhorst, 1829) (I–K, KPM- NK 69930) and Dihelus hylaevorus (Momoi, 1966) (N, paratype, MNHAH), female ― A–C, propodeum, lateral view; D, propodeum,T1, T2 and T3, dorsal view, punctures on right side and T3 omitted; E–H, T1, dorsal view; I, K, L, T1, lateral (I, L) and ventrolateral (K) view; J, M, cross-section of anterior part of T1, arrows indicate the carinae; N, apex of metasoma, lateral view. ATC, anterior transverse carina; PTC, posterior transverse carina; PC, pleural carina; TT, triangular tooth; DLC, dorsolateral carina; VLC, ventrolateral carina.

Fig. 10.Nematopodius (Nematopodius) debilis (Ratzeburg, 1852) (A, KPM-NK 69550), Nematopodius (Nematopodius) montanus sp. nov. (B–G, KPM-NK 69554; H, KPM-NK 69929) and Pterocryptus takachihoensis (Momoi, 1966) (I, KPM-NK 5000333), females (A–G, I) and male (H) ― A, B, H, habitus, lateral view; C, head and mesosoma, lateral view; D, head, mesosoma and anterior part of metasoma, dorsal view; E, scutellum, postscutellum and propodeum, dorsal view; F, apical part of right fore wing; G, T2 and T3, lateral view; I, metasomal tergites, dorsal view.