1. Abe, A and Miura, K. (1972) Agr, Biol. Chem., 36, 446–450.
2. Abdel-Wahab, A. M. (1971) Bull. Soc. Entomol. Egypte, 54, 81–85.
3. Akai, H. (1970) appl. EntomoL Zool., 5, 112–117.
4. Anderson, A. D. and Patton, R. L. (1954) Science, 120 956.
5. Anderson, A. D. and Patton, R. L. (1955) J. exp. Zool, 128, 443–451.