1. Bishara, I., Bull. Soc. Roy. Entomol., 18, 288 (1943); Tech. and Sci. Service Bull., 114, 1 (1932) (Ministry of Agriculture, Cairo: Government Press).
2. Willcocks, F., “The Insects and Related Pests in Egypt”, 1, Pt. 2 (Cairo, 1937).
3. Kamal, M., Proc. VI. Internat. Congress Entomol., Madrid, 1935, 2, 567 (1940).
4. Haller, H. L., Potts, S. F., and Acree, F., J. Amer. Chem. Soc., 66, 1659 (1944).
5. Monib, M., Fac. of Agriculture (Cairo, 1948).