Ramos, M.S. and Azevedo, C.O. 2012. Revision of Eupsenella Westwood, 1874 (Hymenoptera, Bethylidae). Zootaxa. 3539, 1 (Nov. 2012), 1–80. DOI:https://doi.org/10.11646/zootaxa.3539.1.1.