Boyce, A.M. 1948 Insects and mites and their control.. The Citrus Industry. University of California Press Berkeley & Los Angeles 933 pp.
Notes: Scales reviewed include Aonidiella aurantii, A. citrina, Aspidiotus camelliae, A. hederae, Ceroplastes destructor, C. floridensis, C. rubens, Chionaspis citri, Chrysomphalus dictyospermi, C. ficus, Coccus pseudomagnoliarum, Icerya purchasi, Lecanium deltae, Lepidosaphes beckii, L. gloverii, Parlatoria pergandii, P. zizyphus, Phenacoccus gossypii, P. hirsutus, Pinnaspis aspidistrae, Pseudaonidia duplex, Pseudococcus adonidum, P. citri, P. gahani, P. maritimus, Pulvinaria aurantii, P. polygonata, Saissetia oleae and Selenaspidus articulatus.