Genus Eumenes Latreille, 1802

Eumenes Latreille, 1802: 360; Giordani Soika 1941: 131; Yamane 1977a: 14; Kim and Yamane 2001: 139; Zhou et al. 2012: 467; Nguyen 2015: 564; Girish Kumar et al. 2017: 469; Tan et al. 2018: 139.

Type species.

Vespa coarctata Linnaeus, 1758 " Eumenes coarctata, Fab." [= Vespa coarctata Linnaeus, 1758], by subsequent designation of Latreille, 1810: 438.

Diagnosis.

Cephalic fovea absent (Figs 5, 15, 25, 42, 52) in both sexes; clypeus emarginate both basally and apically (Figs 3, 4, 13, 14, 23, 24, 32, 40, 41, 50, 51); pronotal carina lacking (Figs 5, 15, 25, 36, 42, 52); tegula short, convex and not equalling parategula posteriorly; both pretegular carina and epicnemial carina absent; propodeal orifice with a pair of processes which are easily observed when the first metasomal segment is removed; metasomal segment 1 elongate and petiolate, and bulged apically (Figs 9, 19, 29, 35, 44, 56); T2 with a well-developed lamella at apical margin (Figs 7, 20, 30, 37, 47, 57); fore coxa with a well-developed carina on its outer face; A13 of male antenna hook-like and apically pointed (Figs 6, 16, 26, 43, 53); parameral spine of male genitalia with a bundle of setae at its mid length (Kim and Yamane 2001).

Distribution.

Worldwide.