Martínez M., I.; Rivera-Gasperín, S. L.; Carrillo-Ruiz, H.; Morón, M. A. Comparative Aspects of the Internal Reproductive System of Males in Species of Melolonthinae, Dynastinae, and Rutelinae (Coleoptera: Scarabaeoidea) from Mexico. Acta Zool. Mex. (n.s.) 2021, 37, 1-17.