Franqui, Rosa A., Silverio Medina-Gaud, and Fernando Gallardo-Covas. “XYLOSANDRUS COMPACTUS (EICHOFF), COLEOPTERA: SCOLYTIDAE, THE BLACK TWIG BORER ATTACKING COFFEE IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 75, no. 2 (April 1, 1991): 183–184. Accessed November 21, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/3582.