The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)

Coccidologist's newsletter - Systematic Entomology Laboratory (U.S.) (ARS, Systematic Entomology Laboratory, 1973)