Homotropus kuroashii ( Uchida, 1957 )

Morishita, Shunsuke & Watanabe, Kyohei, 2025, Review of the genera Homotropus Förster and Syrphoctonus Förster (Hymenoptera, Ichneumonidae, Diplazontinae) from Japan, Zootaxa 5588 (1), pp. 49-76 : 64

Homotropus kuroashii ( Uchida, 1957)

( Figs 9 A–D )

Syrphoctonus kuroashii Uchida, 1957: 263 .

Homotropus kuroashii : Dasch, 1964: 100.

Homotropus kuroashii : Townes et al., 1965: 404.

Specimens examined. JAPAN: [Honshu] 3F, Toyama Pref., Toyama City, Arimine, Inonedani , 15–22 IX 2009, M. Watanabe leg. (MsT) ( KPMNH); 1F, ditto, 1–8 IX 2009, M. Watanabe leg. (MsT) ( KPMNH); 1F (holotype), Nagano Pref., Kamikochi, 5. VII. 1954, Townes Family leg. ( SEHU); 1F, Nagano Pref., Otaki Vil., Mt. Ontakesan, Hakkaisan , 6. VIII. 2010, K. Watanabe leg. ( KPNMH) ; 1F, Nagano Pref., Otaki Vil., Mt. Ontakesan, Tanohara , 9. VIII. 2007, K. Watanabe leg. ( KPNMH) ; 1F, Nagano Pref., Otaki Vil., Mt. Ontakesan , 25 VI–15 VII 2015, S. Shimizu leg. (MsT) ( KPMNH) .

Diagnosis. Antenna with 19–20 flagellomeres. Face coriaceous and matt; weakly punctate medially. Clypeus depressed apically; robes rounded at outer corners. Mesoscutum coriaceous and polished; densely punctate. Mesopleuron smooth and polished; often with coriaceous area below speculum; densely punctate except for on and below speculum ( Fig. 9 C ). Propodeum finely rugulose; posterior part of lateral longitudinal and lateromedian longitudinal carina and pleural carina present. Fore wing length 4.5–6.0 mm. Areolet present. Dorsal part of hind coxa coriaceous and matt. Metasoma dorsoventrally depressed in both sexes. T I 1.05–1.25 × as long as maximum width; strigose anteriorly and laterally; otherwise coriaceous. Latero-median carina usually indistinct; at most present on basal 0.3 of T I. T II 0.85–1.1 × as long as maximum width. Face without pair of yellow markings along each inner orbits ( Fig. 9 B ). Face black with yellow median marking which separated from clypeus ( Fig. 9 B ). Clypeus entirely yellow ( Fig. 9 B ). Malar space entirely black ( Fig. 9 B ). Yellow shoulder markings of mesoscutum present ( Fig. 9 A ). Scutellum yellow with black basomedian marking. All coxae entirely black ( Fig. 9 A ). Hind tibia white, darkened basally and apically, often with a black subbasal marking ( Fig. 9 D ). Metasoma entirely black.

Distribution. Japan (Honshu).

Bionomics. Unknown.

Figures

FIGURE 9. Homotropus kuroashii (Uchida, 1957), female―A: lateral habitus; B: head, frontal view; C: mesopleuron, lateral view; D: hind tibia, lateral view.