Epsilon de Saussure, 1855

Zhang, Xue, Chen, Bin & Li, Ting-Jing, 2020, Taxonomy of the genus Epsilon from China, with a new species and an updated key to the Oriental species (Hymenoptera, Vespidae, Eumeninae), ZooKeys 910, pp. 131-142 : 131

Genus Epsilon de Saussure, 1855

Epsilon de Saussure 1855: 229, 252; Giordani Soika 1994: 270-285; Girish Kumar et al. 2014: 5380-5385.

Type species.

Odynerus dyscherus de Saussure, 1853, by subsequent designation of van der Vecht, 1967: 31.

Diagnosis.

Clypeus much wider than long, with sparse or dense punctures (Figs 2 , 13 ); cephalic fovea of female with two contiguous, deep pits (Figs 3 , 12 ); tegula with broad lobe posteriorly, almost equal to parategula (Figs 9 , 17 ); metanotum (Figs 7 , 21 ) narrow and very protruding, with a vertical posterior face, flat or gently convex, and a horizontal dorsal face; propodeum (Figs 7 , 21 ) short, without superior carina and with weak lateral carina; second submarginal cell with second recurrent vein nearly or completely interstitial with third submarginal cell (Figs 5 , 14 ); tergum I without transverse carina basally, very short, ca. 2 × as wide as long, and slightly narrower than tergum II (Fig. 20 ); tergum II (Figs 6 , 20 ) usually with apical lamella ( Giordani Soika 1994; Girish Kumar et al. 2014).

Distribution.

Oriental and Australian regions.

Figures

Figures 1 - 9. Female of Epsilon similimanasicum sp. nov. 1 Habitus (dorsal view) 2 clypeus 3 head (dorsal view) 4 anterior face of pronotum 5 wings 6 metasoma (dorsal view) 7 metanotum and propodeum 8 metasoma (ventral view) 9 tegula.

Figures 10 - 21. Epsilon fujianense Lee, 1981 10, 12 - 14, 17, 21 female 11, 15, 16, 18 - 20 male 10 habitus (dorsal view) 11 habitus (dorsal view) 12 head (dorsal view) 13 clypeus 14 wings 15 clypeus 16 anterior face of pronotum 17 tegula 18 antennal flagellomeres II-XI 19 metasoma (ventral view) 20 metasoma (dorsal view) 21 metanotum and propodeum.