M. Y. GARZÓN-C., B. O. AZA-T., J. JIMÉNEZ-G., and J. E. LUQUE-Z., “Potential of the nematode Steinernema sp. for the biological control of the Andean weevil”, Rev. Colomb. Entomol., vol. 22, no. 1, pp. 25–30, Jan. 1996.