Hodgson, C.J. 1968a Four new species and a new genus of Coccidae (Homoptera: Coccoidea) from Africa.. Proceedings of the Royal Entomological Society of London, Series B: Taxonomy 37: 114-120.

Notes: Umwinsia n. gen.; U. cavernosa, Coccus arens, milanjianus and saltuarius n. spp.