Olmi, M. and Guglielmino, A. 2012. A contribution to the knowledge of Dryinidae from Late Eocene Baltic amber (Hymenoptera: Chrysidoidea), with description of new subfamily, Protodryininae subfam. nov. Zootaxa. 3351, 1 (Jun. 2012), 15–26. DOI:https://doi.org/10.11646/zootaxa.3351.1.2.