Hafez, M., & Salama, H.S. 1969a Biology of the citrus purple scale, Lepidosaphes beckii Newm., in Egypt.. Bulletin de la Société Entomologique d'Egypte 62(53): 517-532.

Notes: The pre-oviposition and oviposition periods are significantly affected by temperature variations under controlled and insectary conditions. This duration increases with the temperature decrease. Parthenogenesis does not occur in Lepidosaphes beckii.