BELLOTTI, A. and GUERRERO, J.M. 1977. VARIETAL RESISTANCE IN YUCCA AGAINST MITES Trtranychus urticae and Mononychellus tanajoa. Revista Colombiana de Entomología. 3, 3-4 (Dec. 1977), 87–91. DOI:https://doi.org/10.25100/socolen.v3i3-4.10396.