Liu, T., & Howell, J.O. 1997 Helenococcus, a new genus of Diaspididae with description of a new species, Helenococcus hokeae (Homoptera: Coccoidea) from Australia.. Journal of Entomological Science 32: 72-78.
Notes: Helenococcus, a new genus of Diaspididae, is described and designated, including detailed illustrations and descriptions of the adult female, second instar, and first instar of the type species, H. hokeae; collected on Hokea pampliniana from New South Wales, Australia.