1. Hancock, G. L. R., Bull. Ent. Res., 26, 429 (1935). Taylor, T. H. C., Bull. Ent. Res., 35, 121 (1945). McKinlay, K. S., in “Insecticides and Colonial Agricultural Development”, Proc. Sixth Symp. Colston Res. Soc., 53 (1954). McKinlay, K. S., and Geering, Q. A., Bull. Ent. Res., 48, 833 (1957). Coaker, T. H., ibid., 48, 851 (1957).
2. Bowden, J., and Ingram, W. R., Emp. Cotton Grow. Rev., 35 (4), 239 (1958).