Sayed, M.T., Soliman, A.A., & Salama, H.S. 1962 On the developmental stages of Planococcus vitis Nied. and Planococcus citri Risso (Homoptera: Coccoidea - Pseudococcidae).. Bulletin de la Société Entomologique d'Egypte 46: 449-457.

Notes: Effect of temperature and humidity; incubation period; egg hatching; nymphal mortality.