Habib, A., Salama, H.S., & Amin, A.H. 1972a The build up of population of the red scale Aonidiella aurantii (Maskell) on citrus trees in Egypt.. Zeitschrift für Angewandte Entomologie 70: 378-385.

Notes: Moderate temperature & relative low humidity produced 4 generations in Middle Egypt and Nile Delta area, 3 generations only in north coastal areas.