Stein, P. R. W.; Alencar, I. D. C. C.; Barbosa, D. N.; Azevedo, C. O. Revision of Epyris Afer (Magretti, 1884), Comb. Rev. (Hymenoptera: Bethylidae) With New Synonymy and Description of Two New Species. Zootaxa 2011, 3032, 17–32.