Habib, A., Ezzat, Y.M., & Atallah, Y.H. 1960 Sexual dimorphism in the second instar of Chrysomphalus ficus Ashmead (Homoptera: Coccoidea-Diaspididae).. Bulletin de la Société Entomologique d'Egypte 44: 329-336.

Notes: Diagnostic differences between second instar of 2 sexes discussed in detail and presented in summary.