Olmi, Massimo, Alexander P. Rasnitsyn, and Adalgisa Guglielmino. 2010. “Revision of Rock Fossils of Dryinidae and Embolemidae (Hymenoptera: Chrysidoidea)”. Zootaxa 2499 (1). Auckland, New Zealand:21–38. https://doi.org/10.11646/zootaxa.2499.1.2.