1. Gall-forming Coccoidea;Beardsley,1984
2. Coccidae of South Africa — II;Brain;Bulletin of Entomological Research,1918
3. New genera and species of Coccidae, with notes on known species;Cockerell;Annales and Magazine of Natural History,1902
4. Notes on Coccidae — III, (Hemiptera);Ferris;Canadian Entomologist,1919
5. The Scale Insect Family Coccidae: an Identification Manual to Genera;Hodgson,1994