1. Arnold, G., Masson, C. and Budharugsa, S., 1985, Comparative study of the antennal afferent pathway of the workerbee and the drone (Apis mellifera L.). Cell Tissue Res. 242: 593–605.
2. Arnold, G., Budharugsa, S. and Masson, C., 1988, Organization of the antennal lobe in the queen honey bee, Apis mellifera L. (Hymenoptera: Apidae). Int. J. Insect Morphol. Embrvol. 17: 185–195.
3. Barth, R.H., 1970, The mating behavior of Periplaneta americana and Blatta orientalis with notes on 3 additional species of Periplaneta and interspecific action of female sex pheromone. Z. Tierpsychol. 27: 727–48.
4. Boeckh, J., Boeckh, V. and Kuhn, A., 1977, Further data on the topography and physiology of central olfactory neurons in insects, pp.315–21. In: Le Magnen, J. and Macleod, P. (eds.) Olfaction and Taste VI. Information Retrieval Ltd, London.
5. Bogner, F., Boppre, M., Ernst, K.D. and Boeckh, J., 1986, CO2 sensitive receptors on labial palps of Rhodogastria moths (Lepidoptera: Arctiidae): physiology, fine structure and central projection. J. Comp. Physiol. A 158: 741–49.