Lima, A.R., Jacobi, C.M. and Kumagai, A.F. 2012. A key to the Neotropical species of the Enicospilus ramidulus species-group (Hymenoptera: Ichneumonidae: Ophioninae), with the description of a new Brazilian species. Zootaxa. 3409, 1 (Aug. 2012), 63–68. DOI:https://doi.org/10.11646/zootaxa.3409.1.5.