PEÑA, J. E., and A. C. BELLOTTI. “STUDIES ON THE FLIES OF THE STEM AND FRUIT OF YUCCA Anastrepha Pickeli and Anastrepha Manihoti”. Revista Colombiana De Entomología, vol. 3, no. 3-4, Dec. 1977, pp. 79-86, doi:10.25100/socolen.v3i3-4.10395.