E.  Le Roux, Scholtz, C. H., Kinahan, A. A., and Bateman, P. W., ?Pre- and post-copulatory mate selection mechanisms in an african dung beetle, Circellium bacchus (Coleoptera: Scarabaeidae)?, Journal of Insect Behavior, vol. 21, pp. 111-122, 2008.

P.  B. Tshikae, Davis, A. L. V., and Scholtz, C. H., ?Trophic associations of a dung beetle assemblage (Scarabaeidae: Scarabaeinae) in a woodland savanna of Botswana?, Environmental Entomology, vol. 37, pp. 431-441, 2008.