T. M. Alvarenga, Y. F. Messas, H. da S. Souza, L. L. G. Santos, and J. F. Sobczak, “Attack Behavior of Elasmus polistis Burks (Hymenoptera: Eulophidae) in Nest of Polistes versicolor (Oliver) (Hymenoptera: Vespidae) and its Defensive Behavior”, EntomoBrasilis, vol. 8, no. 2, pp. 155–158, Aug. 2015.