Entomacis clavata, Chemyreva & Xu, 2018

Chemyreva, V. G. & Xu, Z. - F., 2018, The genus Entomacis Foerster, 1856 (Hymenoptera: Diapriidae) in South China, Far Eastern Entomologist 351, pp. 1-16 : 3-4

Key to Entomacis species from China

1. Propodeum setose dorsally ................................................................................. 2

– Propodeum bare dorsally ................................................................................. 10

2. Costa tubular completely. Notauli completely absent ........................................ 3

– Costa absent or nebulous, or sclerotize only at basal half. Notauli present, complete or incomplete ............................................................................................. 7

3. Head, face, mesoscutum entirely or only its anterior part with dense recumbent setae (Figs 1, 3, 4). Base of T2 shifted anteriorly in lateral view ( Fig. 6 ) .......... 4

– Head, face and mesoscutum entirely with scattered erect setae (Fig. 2). Base of T2 not shifted anteriorly in lateral view ( Fig. 5 ) ................................................ 6

4. Mesoscutum entirely with recumbent setae (Fig. 3). T3–T5 of female fused together. Connection between clavomeres of female located medially ( Fig. 8 ) ..... ..................................................................................... E. kasparyani Chemyreva

– Mesoscutum only in anterior part with recumbent setae (Fig. 4). Female T3–T5 not fused together. Connection between clavomeres of female located dorsally ( Figs 9, 10 ) ......................................................................................................... 5

5. Blade of median propodeal keel very high (Fig. 11). Area between upper plicae on dorsal side of propodeum arrower its median length (Fig. 12). Female A13 as wide as A12; A11–A13 dark brown, A1–A10 yellowish brown ( Fig. 9 ). Body reddish brown ................................................................... E. alticeps Chemyreva

– Blade of median propodeal keel not so high (Fig. 13). Area between upper plicae on side of propodeum wider its median length (Fig. 14). Female A13 wider than A12; A3–A13 brown, gradually darkened apically ( Fig. 10 ). Body dark brown .. .............................................................................................. E. leptos Chemyreva

6. Metanotum with distinctly projecting median keel. Marginal vein 2.7–3.2 × as long as stigmal vein. Female A3 longer than A2. Body yellowish red. Basal vein absent. Male A3 1.3–1.5 × as long as A4 .............................................................. ...................................................................... E. spinosa Rajmohana et Narendran

– Metanotum with low median keel. Marginal vein as long as stigmal vein. Female A3 equal or weakly shorter than A2. Body dark. Basal vein weakly or distinctly pigmented. Male A3 as long as A4 ......................................... E. penelope Nixon

7. Head and face with dense recumbent pale setae. Male antenna shortened and robust, A3 as long as A2 ( Fig. 17 ). Female with abrupt 7-segmented clava ( Fig. 18 ) ............................................................................................... E. clavata sp. n.

– Head and face with scattered erect setae. Male antenna long and slender, A3 distinctly longer than A2 (Figs 22, 23). Female with non-abrupt clava (Figs 20, 21) .............................................................................................................................. 8

Figures

Figs 5–7. Entomacis spp. 5 – E. perplexa, mesosoma and metasoma, lateral view (ep –

Figs 8–10. Antenna of Entomacis, lateral view. 8 – E. kasparyani; 9 – E. alticeps; 10 – E.

Figs 15–19. Entomacis clavata sp. n. 15, 16 – habitus, lateral view (15 – male, 16 –