Carvalho, P.J., & Aguiar, A.M.F. 1997 . [Citrus pests in the Island of Madeira] Pragas dos citrinos na Ilha da Madeira 100th Secretaria Regional de Agricultura, Florestas e Pescs Madeira 411 pp.

Notes: Scale species reviewed include Icerya purchasi, Orthezia insignis, Nipaecoccus nipae, Planococcus citri, Pseudococcus longispinus, Ceroplastes floridensis, C. sinensis, Coccus hesperidum, C. viridis, Eucalymnatus tesselatus, Parasaissetia nigra, Protopulvinaria pyriformis, Saissetia coffeae, S. oleae, Aonidiella aurantii, Aspidiotus nerii, Chrysomphalus aonidum, C. dictyospermi, C. pinnulifer, Hemiberlesia rapax, Lepidosaphes beckii and L. gloverii; geographical distribution; host plants; general appearance, including color photographs; life history; damage; economic importance; natural enemies.