Watson, J.R. 1926 Citrus insects and their control.. Bulletin of the Florida Agricultural Experiment Station 148: 293-423.

Notes: Life histories, brief field descriptions, associations, damage, and chemical and natural controls are reviewed Chrysomphalus aonidum and Lepidosaphes beckii Other scales reviewed briefly include Aspidiotus perniciosus, Ceroplastes ceriferus, C. cirripediformis, C. floridensis, Chionaspis citri, Chrysomphalus aurantii, C. dictyospermi, Coccus hesperidum, Icerya purchasi, Parlatoria pergandii, Pseudoanidia (Selenaspidus) articulatus, P. duplex, Pseudococcus citri, P. longispinus, Pulvinaria psidii, P. pyriformis, Saissetia hemisphaerica and S. oleae.