Chromosomal studies on four species of Aphodiinae beetles (Scarabaeidae: Coleoptera)

Karyological investigations were carried out on adult males of four species of Scarabaeidae beetles viz. Aphodius moestus F, A. pictusturum Her., A. pusillus pusillus Herbst and A. regi Peitt. A. moestus F, A. pusillus pusillus Herbst and A. regi Peitt. possessed 2n = 20: 9 + Xyp while A. pictusturum Her. Exhibited 2n = 18: 8 + Xyp Sex mechanism.