Bedford, E.C.G. 1973 Citrus scale insects: Biological control proves successful.. Citrus & Subtropical Fruit Journal No. 470: 5,7,9,11.

Notes: 14 species mentioned as successful stories of biological control: Aonidiella aurantii, Chrysomphalus aonidum, Cornuaspis beckii, Coccus hesperidum, C. aethiopicus, Saissetia spp., Gascardia brevicauda, G. destructor, Icerya purchasi, Planococcus citri and Nipaecoccus vastator.