1. Paper no. 112 of the series Defense Mechanisms of Arthropods; no. 111 is Eisner, T., and Eisner, M., Psyche (in press).
2. Scrimshaw, S., and Kerfoot, W. C., in: Predation: Direct and Indirect Impacts on Aquatic Communities. p. 240. Eds W. C. Kerfoot and A. Sih. University Press of New England, London 1987.
3. Miller, R. J., and Mumma, R. O., J. chem. Ecol.2 (1976) 115.
4. Miller, R. J., and Mumma, R. O., J. chem. Ecol.2 (1976) 130.
5. Gerhart, D. J., Bondura, M. E., and Commito, J. A., J. chem. Ecol.17 (1991) 1363.