C. QUINTERO-H., A. E. BUSTILLO-P., P. BENAVIDES-M., and B. CHAVES-C., “Evidences of the establishment of Cephalonomia stephanoderis and Prorops nasuta (Hymenoptera: Bethylidae) in coffee plantations in the department of Nariño, Colombia”, Rev. Colomb. Entomol., vol. 24, no. 2, pp. 141–147, Dec. 1998.