M. ALVARENGA-SOARES, C. TORRES-GUTIERREZ, J. COLA-ZANUNCIO, A. RODRIGUES PORTO PEDROSA, and A. SIMÕES LORENZON, “Superparasitism by Palmistichus elaeisis (Hymenoptera: Eulophidae) and defense behaviors of two hosts”, Rev. Colomb. Entomol., vol. 35, no. 1, pp. 62–65, Jun. 2009.