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
Type specimen: NND0070/NIGP 151940, an exoskeleton (incomplete female wasp). Its type locality is Daohugou (NIGP collection), which is in a Callovian/Oxfordian lacustrine - large shale in the Daohugou Formation of China.
Average measurements (in mm): body 10.5 x 3.3, forewing 7.50 x 2.60, hindwing 5.00 x 1.50