Rafael. «NOTES ON THE LIFE CYCLE OF THE BEAN LEAF SKELETONIZER, Syngrapha Egena (Guenée) (Lepidoptera:Noctuidae) in PUERTO RICO». Journal of Agriculture of the University of Puerto Rico 61, no. 2 (abril 1, 1977): 253–255. Accedido julio 17, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10467.