Hyperbatus montanus, Watanabe, 2024

Watanabe, Kyohei, 2024, Taxonomic Study of Japanese Ctenopelmatinae (Hymenoptera, Ichneumonidae), with Descriptions of 22 New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 53, pp. 39-102 : 71

Key to Japanese species of Hyperbatus (female only)

1. Ovipositor sheath pale yellow ( Fig. 23E ). Length of malar space 0.4 × as long as basal width of mandible. T I 2.3 × as long as maximum width. Face yellow with a median black oval marking ( Fig. 23B ). Hind coxa largely tinged with reddish brown ( Fig. 23A ).

.................................. Hyperbatus montanus sp. nov. -. Ovipositor sheath blackish brown to black ( Figs. 21E , 22E , 24E ). Other character states various.

...................................................................... 2 2. Antenna with 28 flagellomeres. Length of malar space shorter than 0.35 × as long as basal width of mandible. T I 1.5 × as long as maximum width. Lower half of mesopleuron with reddish area. Face with yellow area. Hind coxa red to reddish brown.

............ Hyperbatus segmentator ( Gravenhorst, 1829) -. Antenna with more than 30 flagellomeres. Length of malar space longer than 0.35 × as long as basal width of mandible. Other character states various.

...................................................................... 3 3. Face with yellow areas ( Fig. 22B ). Hind femur reddish brown ( Fig. 22 A ). Antenna with 39 flagellomeres. T I 1.9 × as long as maximum width. Hind coxa black ( Fig. 22A ).

.................................... Hyperbatus borealis sp. nov. -. Face and hind femur black to blackish brown ( Figs. 21A, B , 24A, B ). Other character states various.

...................................................................... 4 4. Hind coxa black ( Fig. 21A ). Antenna with 37–38 flagellomeres. T I 1.5–1.6 × as long as maximum width. Hind tarsus slender ( Fig. 41G ).

................................ Hyperbatus ariminensis sp. nov. -. Hind coxa red ( Fig. 24A ). Antenna with 31 flagellomeres. T I 2.3 × as long as maximum width. Hind tarsus robust ( Fig. 41H ).

................................. Hyperbatus nigrifemur sp. nov.

Figures

Fig.23.Hyperbatus montanus sp. nov. (KPM-NK 84937, holotype, female) ―A: lateral habitus; B: head, frontal view; C: mesopleuron; D: propodeum, dorso-lateral view; E: ovipositor and ovipositor sheath.

Fig.21.Hyperbatus ariminensis sp. nov. (KPM-NK 84935, holotype, female) ―A:lateral habitus;B: head, frontal view; C: mesopleuron;D: propodeum, dorso-lateral view; E: ovipositor and ovipositor sheath.

Fig.22.Hyperbatus borealis sp. nov. (KPM-NK 84936, holotype, female) ―A: lateral habitus; B: head, frontal view; C: mesopleuron; D: propodeum,dorso-lateral view; E: ovipositor and ovipositor sheath.

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.

Fig.2.Ctenopelma pineatus Sheng, Sun & Li, 2019 (A–D: KPM-NK 84787, female; E: KPM-NK 84788, male) ―A: lateral habitus; B, E: head, frontal view; C: propodeum, dorso-lateral view; D: areolet.

Fig. 41. Mandible (A, B), propodeum, dorsal view (C–F), left hind tarsus (G–I), left hind tarsal claw (J), apical part of metasoma, dorsal (K, L) and lateral (M, N) view, and apex of ovipositor, lateral view (O, P), females ―A: Euryproctus japonicus (Ashmead, 1906) (KPM- NK 84826); B, D: Perilissus autumnalis sp. nov. (KPM-NK 91241, holotype); C, J, O: Ctenopelma boreale Holmgren, 1857 (C, O: KPM-NK 84794; J: KPM-NK 84795); E, K, M: Notopygus bicornis sp. nov. (KPM-NK 81355, holotype); F, L, N: N. japonicus sp. nov. (KPM-NK 84831, holotype); G: Hyperbatus ariminensis sp. nov. (KPM-NK 84935, holotype); H: H. nigrifemur sp. nov. (KPM- NK 84958, holotype); I: Lethades kanagawensis sp. nov. (KPM-NK 81378, holotype); P:Ctenopelma pineatus Sheng, Sun & Li, 2019 (KPM-NK 84787).