Taxonomic Study of Japanese Ctenopelmatinae (Hymenoptera, Ichneumonidae), with Descriptions of 22 New Species Author Watanabe, Kyohei text Bulletin of the Kanagawa Prefectural Museum (Natural Science) 2024 2024-03-22 53 39 102 journal article 10.5281/zenodo.13237363 2189-6720 13237363 D4FC7074-ADC6-4310-B60E-12B7ECBD6E25 Hyperbatus nigrifemur sp. nov. (SJN: Ashibuto-ko-maru-himebachi) ( Figs. 24A–E , 39D , 40Q , 41H ) Type series . Holotype : JAPAN , KPM-NK 84938 , F, Kyoto Pref. , Miyadu City , Kamiseya , Seya-kogen , 18. VII. – 1. VIII. 2015 , T. Hirooka & S. Fujie leg. (MsT) . Paratype : JAPAN , KPM-NK 84939 , F, Yamagawa Pref., Iide Town , Soegawa , 30. V. – 16. VI. 2015 , Y. Okatsu & S. Shimizu leg. (MsT) . Description. Female ( n = 2). Body length 8.0–8.1 (HT: 8.1) mm, covered with silver setae. Head 0.6 × as long as wide in dorsal view, matt. Clypeus 2.4 × as broad as high, sparsely punctate and polished, convex in lateral view, lower margin with a median concavity ( Fig. 40Q ). Face 1.6–1.65 (HT: 1.65) × as broad as high, slightly convex medially in lateral view. Dorsal profile of gena as Fig. 39D . Occipital carina complete. Length of malar space 0.4 × as long as basal width of mandible. Base of mandible flat. POL 1.2–1.5 (HT: 1.5) × as long as OD. OOL 1.3–1.4 (HT: 1.4) × as long as OD. Antenna with 32–33 (HT: 32) flagellomeres. FL I 5.0–5.7 × as long as maximum depth, 1.8 × as long as FL II. Mesosoma polished and punctate. Epomia short. Pronotum largely smooth laterally. Mesoscutum with weak notaulus, interspace of punctures slightly coriaceous. Epicnemial carina present laterally and ventrally, its dorsal end situated near anterior margin of mesopleuron. Speculum with large smooth area ( Fig. 24C ). Propodeum with all carinae except for anterior transverse carina ( Fig. 24D ). Lateromedian longitudinal carina partly weak. Fore wing length 7.5–7.7 (HT: 7.7) mm. Areolet absent. Fore wing vein 1cu-a postfurcal to vein M&RS. Nervellus slightly inclivous, intercepted posterior the middle. Tarsal claws simple. Hind femur 4.8–4.9 (HT: 4.9) × as long as maximum depth in lateral view. Hind tarsus robust ( Fig. 41H ). Ratio of length of hind first to fifth tarsomeres 4.2: 2.0: 1.45: 0.9: 1.0. Fig. 24. Hyperbatus nigrifemur sp. nov . (KPM-NK 84958, holotype, female) ― A: lateral habitus; B: head, frontal view; C: mesopleuron; D: propodeum, dorso-lateral view; E: ovipositor and ovipositor sheath. Metasoma matt. T I 1.2 × as long as maximum width, with latero-median longitudinal carina, its posterior end situated near the spiracle. T II 0.65 × as long as maximum width. Ovipositor sheath 0.2 × as long as hind tibia. Colouration ( Figs. 24A–E ). Body (excluding wings and legs) black. Clypeus, mandible except for teeth, palpi, postero-dorsal corner of pronotum, a pair of large markings of antero-lateral part of mesoscutum, tegula, subtegular ridge, posterior margins of T II to T VII, lateral sides of T IV to T VII, and metasomal sternites except for some small sclerites yellow to whitish yellow. Wings hyaline. Veins and pterostigma blackish brown except for yellow wing base. Fore and mid coxae, trochanters, and trochantelli yellow. Fore and mid femora, tibiae, tibial spurs, and tarsi reddish brown to yellowish brown. Hind leg blackish brown. Hind coxa reddish brown. Hind trochantellus whitish yellow. Male. Unknown. Distribution. Japan (Honshu). Bionomics. Unknown. Etymology . The specific name is from Latin “ nigri ” (black) plus “ femur ”. This species has black femur. Remarks. This species resembles Hyperbatus nigrifemur sp. nov. (see remarks of H. nigrifemur ).