Williams, D.J. 1985h The British and some other European Eriococcidae (Homoptera: Coccoidea).. Bulletin of the British Museum (Natural History) Entomology Ser. 51: 347-393.
Notes: Key to genera and species; 11 indigenous species redescribed; Eriococcus cantium n. sp.; discusses other introduced species; the genera Greenisca and Kaweckia are syns. of Eriococcus.