TY - JOUR T1 - Comparative morphological analysis of testis follicles in dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae, Aphodiinae, Geotrupinae) JF - Proceedings of the Entomological Society of Washington Y1 - 1999 A1 - Martinez M. , Imelda A1 - Cruz R. , Magdalena SP - 804 EP - 815 KW - dung beetle KW - spermatozoa KW - testis follicles VL - 101 ER -