CASTRO-O., L.A. and VALDEZ-C., J. 1994. Study of the mole external genital organs of Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae). Revista Colombiana de Entomología. 20, 1 (Jan. 1994), 33–36. DOI:https://doi.org/10.25100/socolen.v20i1.10001.