Lima, A.R. 2018.

Revision of Hellwigiella Szépligeti, 1905 (Hymenoptera, Ichneumonidae, Ophioninae), with revalidation of H. nigripennis Szépligeti, 1905

. Zootaxa. 4433, 2 (Jun. 2018), 352–360. DOI:https://doi.org/10.11646/zootaxa.4433.2.6.