Rhadinoscelidia delta Liu, Yao & Xu, 2011

Kimsey, Lynn S., 2018, Morphology and review of the odd genus Rhadinoscelidia Kimsey, 1988 (Hymenoptera, Chrysididae, Loboscelidiinae), Journal of Hymenoptera Research 62, pp. 45-54 : 49

Rhadinoscelidia delta Liu, Yao & Xu

Rhadinoscelidia delta Liu, Yao & Xu, 2011: 13. Holotype female; China: Hainan, Mt. Wuzhishan (SCAU).

Diagnosis.

The most distinctive features of this species are the rounded vertex, frons with fine carinae radiating ventrally from midocellus and flagellomere I less than twice as long as broad.

Female description.

Body length 2.3 mm; forewing length 2.5 mm. Head: length twice height in side view; frontal projection rectangular in front view; frons smooth, not microstriate, with low ridge extending from vertex along inner eye margin; vertex without foveae, with transverse carina or fold behind hindocelli; cervical expansion strongly curved in profile, with anterolateral patch of longer, dense ribbon-like setae; occiput laterally with low ridge behind eye backed by short row of broad ribbon-like setae; eye separated from hindocellus by 0.2 eye length in lateral view; gena without scale-like setae; scape length 5 × breadth, 0.9-1.0 × head length in side view; flagellomere I length 1.3 × breadth; flagellomere II length 1.2 × breadth; flagellomere XI length 1.9 × breadth. Mesosoma: integument polished, impunctate; pronotal length 1.2 × breadth, apicolateral margin curved; forefemur without spatulate or expanded erect setae on dorsal surface; hindfemur with scattered setae dorsally but nearly asetose ventrally; forewing venation restricted to 0.2 × wing length; R 0.5 × as long as Rs; Cu 0.9 × as long as M. Color: brown; forewing membrane transparent to brown in bands, veins brown.

Male.

Unknown.

Distribution.

China: Hainan Prov.; no specimens examined (information provided by Zia-fu Xu).