Hafez, M., Tawfik, M.F.S., & Raouf, A. 1970 Fluctuations of the population densities of the black scale, Chrysomphalus ficus Ashm., at certain localities in U.A.R. On the population dynamics of the black scale Chrysomphalus ficus Ashm.. Technical Bulletin (U.A.R., Plant Protection Department) 2: 3-16.

Notes: Hosts and distribution; seasonal incidence.