Di Giovanni, F., P. L. Scaramozzino, A. Loni, and A. Lucchi. “Taxonomic Revision of the Campoplex Difformis Group (Ichneumonidae, Campopleginae), With Particular Reference to Species of Economic Importance”. European Journal of Taxonomy, vol. 740, no. 1, Mar. 2021, pp. 1–35, doi:10.5852/ejt.2021.740.1277.