Stein, P.R.W., Alencar, I.D.C.C., Barbosa, D.N. and Azevedo, C.O. 2011. Revision of Epyris afer (Magretti, 1884), comb. rev. (Hymenoptera: Bethylidae) with new synonymy and description of two new species. Zootaxa. 3032, 1 (Sep. 2011), 17–32. DOI:https://doi.org/10.11646/zootaxa.3032.1.2.