Onthophagus (Onthophagus) opacihartiniae
Notes on the coprophagous scarab beetles (Coleoptera, Scarabaeidae) from Southeast Asia. XXV Descriptions of four new species of Onthophagus. Giornale Italiano di Entomologia, 14(60), Mar 2015: 179-190. 182 [Zoological Record Volume 151]