VARELA, A. M., A. C. BELLOTTI, and J. A. REYES. “BIOLOGY AND ECOLOGY OF THE FLOURY LICE OF YUCCA Phenacoccus Gossypii Townsend and Cockerell (Homoptera: Pseudococcidae)”. Revista Colombiana De Entomología, vol. 5, no. 1-2, June 1979, pp. 9-15, doi:10.25100/socolen.v5i1-2.10350.