De Lotto, G. 1969a On a few old and new soft scales and mealybugs (Homoptera: Coccoidea).. Journal of the Entomological Society of southern Africa 32: 413-422.

Notes: Ceroplastes hololeucus, Coccus acrossus, Gascardia constricta, Saissetia neglecta n. spp.; one new combination; one new status; new host and locality records; introduced "clistostomatic ducts" for tubular ducts.