BioStor
 | The mealybug genus Heterococcus Ferris and some of its relatives (Homoptera: Coccoidea) (1945) Journal of The Washington Academy of Sciences 35: 38-54 |
 | The Pseudococcidae (Coccoidea: Homoptera) of the Solomon Islands D J Williams (1960) Bulletin of the British Museum (Natural History), Entomology 8: 387-430 |