Williams, D.J. 1996 A synoptic account of the mealybug genus Ferrisia. Entomologist's Monthly Magazine 132: 1-10.
Notes: Eleven species currently assigned to this genus; key to eight adult females; F. kandyensis is transferred to Chorizococcus, F. quaintancii is known from third instars only, and F. neovirgata was possibly described from third instars; Heliococcus malvastrus, previously synonymised as Ferrisia virgata is restored to species rank as F. malvastra; Ferrisia consobrina is synonymised with it.