1. Abisgold, J. D. and Simpson, S. J. (1988) The effects of dietary protein levels and haemolymph composition on the sensitivity of the maxillary palp chemoreceptors of locusts. J. Exp. Biol., 135, 215–229.
2. Avison, T. I. (1988), cited in reference 116.
3. Barbosa, P., Martinet, P. and Waldvogel, M. (1986) Development, fecundity and survival of the herbivore Lymantria dispar and the number of plant species in its diet. Ecol. Entomol., 11, 1–6.
4. Barnes, O. L. (1965) Further tests of the effects of food plants on the migratory grasshopper. J. Econ. Entomol., 58, 475–479.
5. Baylis, M. and Pierce, N. (1993) The effects of ant mutualism on the foraging and diet of lycaenid caterpillars, in Caterpillars. Ecological and Evolutionary Constraints on Foraging, (eds N. E. Stamp and T. M. Casey ), Chapman & Hall, New York, pp. 404–421.