Stein, P.R.W., Alencar, I.D.C.C., Barbosa, D.N. & 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), 17–32.