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3. Willcocks, F. C., and Bahgat, S., “The Insects and Related Pests of Egypt”, 1, 591 (Roy. Agric. Soc., Cairo, 1937).
4. Crumb, S. E., U.S. Dept. Agric. Tech. Bull., 88 (1929).
5. Caresche, L., Bull. Econ. Indochine, 40, 517 (1937).