Leonard, Mortimer D. “A LITTLE-KNOWN ROOT-WEEVIL OF CASSAVA (COELOSTERNUS SULCATULUS BOHEMAN)”. The Journal of Agriculture of the University of Puerto Rico 14, no. 3 (July 1, 1930): 159–165. Accessed March 29, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/14221.