Morales, C.F. 1990 . The taxonomic revision of the New Zealand Margarodidae with Studies of the Life History of two Species. Imperial College & Natural History Museum, Ph.D. Thesis London 425 pp.

Notes: Species reviewed include Coelostomidia wairoensis, C. montana, Coelostoma assimile, C. pilosum, C. zealandicum, Icerya signoret and I. purchasi.