Reference
Alexey Reshchikov, Ilari Eerikki Sääksjärvi, Marc Pollet (2018): Review of the New World genus Nanium Townes, 1967 (Hymenoptera: Ichneumonidae: Ctenopelmatinae), with two new species from the Neotropical region – European Journal of Taxonomy – 0459: 1 - 18.