Harrison, James Du G. 2009. “A Taxonomic Revision of the African Leaf Chafer Genus Asthenopholis Brenske, 1898 (Coleoptera: Scarabaeidae: Melolonthinae): A SEM Study”. Zootaxa 2225 (1). Auckland, New Zealand:1–48. https://doi.org/10.11646/zootaxa.2225.1.1.