Three new species, a synonymy and taxonomic notes on southern African members of the dung beetle genera Scarabaeus s. str. Linnaeus, 1758 and Escarabaeus zidek & Pokorny, 2011 (Scarabaeidae: Scarabaeinae). Journal of Natural History, 51(5-6) 2017: 299-316. 307 [Zoological Record Volume 153]