ARIAS, B. and BELLOTTII, A. (1977) “EFFICIENCY OF Bacillus thuringiensis, ON THE YUCCA CUCKWORM Erinnyis esto, IN A BIOLOGICAL CONTROL PROGRAM”, Revista Colombiana de Entomología, 3(3-4), pp. 93–97. doi: 10.25100/socolen.v3i3-4.10397.