Tawfik, M.F.S., Hafez, M., & Raouf, A. 1970a Part II. Survey of the natural enemies of the black scale, Chrysomphalus ficus Ashm., in the world and in U.A.R.. Technical Bulletin (U.A.R., Plant Protection Department) 2: 17-31.

Notes: A survey was made from literature of the natural enemies (parasites, predators and pathogens) found to be associated with C. ficus in U.A.R. and worldwide.