De Lotto, G. 1978 The soft scales (Homoptera: Coccidae) of South Africa, III.. Journal of the Entomological Society of southern Africa 41: 135-147.

Notes: Diagnoses and figures for Ceronema mobile, Coccus viridis and Gascardia tachardiaformis; taxonomic notes for Ceroplastes rusci, fumidus and Cryptinglisia lounsburyi; one new comb.; one new sp.; one new syn.; key to some species.