Hantula, Jarkko, Anssi Saura, Juhani Lokki, and Niilo Virkki. “Genic and Color Polymorphism in Puerto Rican Phyllobiine Weevils Diaprepes Abbreviatus (L.)and Compsus Maricaco Wolcott”. The Journal of Agriculture of the University of Puerto Rico 71, no. 4 (October 1, 1987): 391–397. Accessed December 6, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/6986.