Williams, D.J. 1958 Mealybugs (Pseudococcidae: Homoptera) described by W.M. Maskell, R. Newstead, T.D.A. Cockerell and E.E. Green from the Ethiopian region.. Bulletin of the British Museum (Natural History) Entomology 6: 205-236.

Notes: Discussion and illustration of 31 species, including redescriptions of 10 with generic reassignments as considered necessary (3) and mention of 21 with reference to synonymy where previously established or to detailed treatment by others. Species include Antonina graminis, A. indica (= A. graminis), Centrococcus insolitus, Chaetococcus bambusae, Dysmicoccus brevipes, Eurycoccus coccineus, new comb., Ferrisiana virgata, Geococcus coffeae, Nipaecoccus aurilanatus, N. graminis, comb. nov., N. nipae, N. vastator, Paraputo anomala, new comb., Phenacoccus hirsutus, P. madeirensis, Planococcus lilacinus, Pseudococcus cannae (= Dysmicoccus brevipes), P. citriculus, P. filamentosus, P. gahani, P. hymenocleae, P. obtusus (= Rastrococcus iceryoides), P. perniciosus (= N. vastator), P. virgata var. madagascariensis (= Ferrisiana virgata), Rastrococcus iceryoides, Ripersia glandulifera, R. longisetosa, Saccharicoccus sacchari and Tylococcus madagascariensis.