Insecta - Hymenoptera - Ephialtitidae

Full reference: A. P. Rasnitsyn and H. Zhang. 2010. Early evolution of Apocrita (Insecta, Hymenoptera) as indicated by new findings in the Middle Jurassic of Daohugou, Northeast China. Acta Geologica Sinica 84(4):834-873

Belongs to Proapocritus according to A. P. Rasnitsyn and H. Zhang 2010

Sister taxa: Proapocritus atropus, Proapocritus elegans, Proapocritus formosus, Proapocritus longantennatus, Proapocritus praecursor, Proapocritus sculptus

Type specimen: NND2211/NIGP 151936, an exoskeleton (incomplete wasp). Its type locality is Daohugou (NIGP collection), which is in a Callovian/Oxfordian lacustrine - large shale in the Daohugou Formation of China.

Ecology:

Average measurements (in mm): forewing 6.10 x 1.80