THE pink boll-worm, the larval stage of the Tineinid moth, Gelechia gossypiella, Saunders, is responsible for considerable damage to cotton in tfiost cotton-growing regions, and its

importance in Egypt has led to an extensive study of its habits and of methods of control (H. A. Ballou, 1920, “The Pink Boll-worm,” Report of Ministry of Agriculture, Egypt; L. H. Gough,

1919, “On the Effect Produced by the Attacks of the Pink Boll-worm on the Yield of Cotton-seed and Lint in Egypt,” Agricultural Journal of Egypt, vol. ix.).

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