Arotes

Ito, Masato, Watanabe, Kyohei & Maeto, Kaoru, 2014, Revision of the genus Arotes Gravenhorst (Hymenoptera: Ichneumonidae: Acaenitinae) from Japan, Zootaxa 3893 (2), pp. 196-208 : 207

Key to the Japanese species of Arotes (female)

1. Subalar prominence strongly striate; metapleuron extensively punctate to rugose-punctate ( Fig. 4 ); hind femur without distinct ventral convexity ( Fig. 7 ). Ovipositor sheath 1.9–2.0 times as long as hind tibia. Scutellum and postscutellum black............................................................................................ A. japonicus sp. nov.

- Subalar prominence sparsely punctate; metapleuron extensively punctate; hind femur with distinct ventral convexity ( Figs 8, 9 ).................................................................................................. 2

2. Fore wing with one discrete dark marking, or lacking ( Fig. 11 ); ovipositor sheath 2.4–2.5 times as long as hind tibia; basal part of S1 weakly convex ventrally in lateral view ( Fig. 5 ); scutellum and postscutellum yellow....... A. moiwanus (Matsumura)

- Fore wing with two discrete dark markings ( Fig.12 ); ovipositor sheath 1.9–2.0 times as long as hind tibia; clypeus yellow ( Fig.3 ); basal part of S1 strongly convex ventrally in lateral view ( Fig. 6 ); scutellum and postscutellum black................................................................................................... A. sugiharai Uchida

Figures

FIGURES 4 – 6. Metapleuron, propodeum and 1 st metasomal segment, lateral view. 4, A. japonicus sp. nov., female (holotype); 5, A. moiwanus, female (Hokkaido); 6, A. sugiharai, female (Nagasaki Pref.).

FIGURES 7 – 9. Anterior aspect of hind leg. 7, A. japonicus sp. nov., female (holotype); 8, A. moiwanus, female (Hokkaido); 9, A. sugiharai, female (Nagasaki Pref.).

FIGURES 10 – 12. Wings. 10, A. japonicus sp. nov., female (paratype, Kumamoto Pref.); 11, A. moiwanus, female (Yamanashi Pref.); 12, A. sugiharai, female (Yamanashi Pref.).

FIGURES 1 – 3. Head, frontal view. 1, A. japonicus sp. nov., female (holotype); 2, A. moiwanus, female (Hokkaido); 3, A. sugiharai, female (Nagasaki Pref.).