Lima, A.R. (2018)

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

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