Williams, D. J., 1924- The scale insects of the tropical South Pacific region. The mealybugs (Pseudococcidae) / Part 2. D.J. Williams and Gillian W. Watson. - Wallingford, Oxon : C.A.B. International Institute of Entomology, 1988. - 260 p. : ill. ISBN: 0851986250 Subjects--Topical Terms: Mealybugs.