Evershed, R. P.; Morgan, E. D. 1981. Chemical investigations of the Dufour gland contents of attine ants. Insect Biochemistry 11:343-351.

Evershed, R. P.; Morgan, E. D.; Cammaerts, M. C. 1981. Identification of the trail pheromone of the ant Myrmica rubra L., and related species. Naturwissenschaften 68:374-376.

Cammaerts, M.-C.; Evershed, R. P.; Morgan, E. D. 1981a. Comparative study of the Dufour gland secretions of workers of four species of Myrmica ants. Journal of Insect Physiology 27:59-65.

Cammaerts, M.-C.; Evershed, R. P.; Morgan, E. D. 1981b. Comparative study of the mandibular gland secretion of four species of Myrmica ants. Journal of Insect Physiology 27:225-231.

Cammaerts, M.-C.; Evershed, R. P.; Morgan, E. D. 1981c. Comparative study of pheromones emitted by different species of Myrmica. Pp. 185-192 in: Howse, P. E.; Clement, J.-L. (eds.) 1981. Biosystematics of social insects. Systematics Association Special Volume No. 19. London: Academic Press, 346 pp.

Cammaerts, M.-C.; Evershed, R. P.; Morgan, E. D. 1982. Mandibular gland secretions of workers of Myrmica rugulosa and M. schencki: comparison with four other Myrmica species. Physiological Entomology 7:119-125.

Evershed, R. P.; Morgan, E. D.; Cammaerts, M. C. 1982. 3-ethyl-2,5-dimethylpyrazine, the trail pheromone from the venom gland of eight species of Myrmica ants. Insect Biochemistry 12:383-391.

Attygalle, A. B.; Evershed, R. P.; Morgan, E. D.; Cammaerts, M. C. 1983. Dufour gland secretions of workers of the ants Myrmica sulcinodis and Myrmica lobicornis, and comparison with six other species in Myrmica. Insect Biochemistry 13:507-512.

Cammaerts, M.-C.; Evershed, R. P.; Morgan, E. D. 1983. The volatile components of the mandibular gland secretion of workers of the ants Myrmica lobicornis and Myrmica sulcinodis. Journal of Insect Physiology 29:659-664.

Evershed, R. P.; Morgan, E. D. 1983. The amounts of trail pheromone substances in the venom of workers of four species of attine ants. Insect Biochemistry 13:469-474.

Attygalle, A. B.; Morgan, E. D. 1984. Chemicals from the glands of ants. Chemical Society Reviews 13:245-278.

Billen, J. P. J.; Evershed, R. P.; Morgan, E. D. 1984. Morphological comparison of Dufour glands in workers of Acromyrmex octospinosus and Myrmica rubra. Entomologia Experimentalis et Applicata 35:205-207.

Attygalle, A. B.; Billen, J. P. J.; Morgan, E. D. 1985. The postpharyngeal gland of workers of Solenopsis geminata (Hymenoptera: Formicidae). Actes des Colloques Insectes Sociaux 2:75-86.

Attygalle, A. B.; Morgan, E. D. 1985. Ant trail pheromones. Advances in Insect Physiology 18:1-30.

Billen, J. P. J.; Evershed, R. P.; Attygalle, A. B.; Morgan, E. D.; Ollett, D. G. 1986. Contents of Dufour glands of workers of three species of Tetramorium (Hymenoptera: Formicidae). Journal of Chemical Ecology 12:669-685.

Ali, M. F.; Morgan, E. D.; Attygalle, A. B.; Billen, J. P. J. 1987. Comparison of Dufour gland secretions of two species of Lepthothorax ants (Hymenoptera: Formicidae). Zeitschrift für Naturforschung. C, Journal of Biosciences 42:955-960.

Billen, J. P. J.; Attygalle, A. B.; Morgan, E. D.; Ollett, D. G. 1987. The contents of the Dufour gland of the ant Pogonomyrmex occidentalis. Pp. 426-427 in: Eder, J.; Rembold, H. (eds.) 1987. Chemistry and biology of social insects. München: Verlag J. Peperny, xxxv + 757 pp.

Ali, M. F.; Attygalle, A. B.; Morgan, E. D.; Billen, J. P. J. 1987. The Dufour gland substances of the workers of Formica fusca and Formica lemani (Hymenoptera: Formicidae). Comparative Biochemistry and Physiology. B. Comparative Biochemistry 88:59-63. PDF

Ali, M. F.; Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1988. Secretion of the Dufour glands of two African desert ants, Camponotus aegyptiacus and Cataglyphis savignyi (Hymenoptera: Formicidae). Biochemical Systematics and Ecology 16:647-654.

Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1988a. Secretion of the Dufour gland of the ant Nothomyrmecia macrops (Hymenoptera: Formicidae). Experientia (Basel) 44:715-719.

Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1988b. The contents of the pygidial gland of the primitive ant Nothomyrmecia macrops (Hymenoptera: Formicidae). Experientia (Basel) 44:794-797.

Jackson, B. D.; Billen, J. P. J.; Morgan, E. D. 1989. Dufour gland contents of three species of Myrmecia (Hymenoptera: Formicidae), primitive ants of Australia. Journal of Chemical Ecology 15:2191-2205.

Jackson, B. D.; Morgan, E. D.; Collingwood, C. A. 1989. The chemical secretions of Myrmica specioides Bondroit and Myrmica gallieni Bondroit (Myrmicinae). Actes des Colloques Insectes Sociaux 5:315-321.

Ali, M. F.; Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1989. The Dufour gland contents of three species of Euro-African Messor ants and a comparison with those of North American Pogonomyrmex (Hymenoptera: Formicidae). Biochemical Systematics and Ecology 17:469-477. PDF

Attygalle, A. B.; Billen, J. P. J.; Jackson, B. D.; Morgan, E. D. 1990. Morphology and chemical contents of Dufour glands of Pseudomyrmex ants (Hymenoptera: Formicidae). Zeitschrift für Naturforschung. C, Journal of Biosciences 45:691-697.

Jackson, B. D.; Keegans, S. J.; Morgan, E. D.; Cammaerts, M.-C.; Cammaerts, R. 1990. Trail pheromone of the ant Tetramorium meridionale. Naturwissenschaften 77:294-296.

Morgan, E. D. 1990. Exocrine gland chemistry and phylogeny of ants. Pp. 319-320 in: Veeresh, G. K.; Mallik, B.; Viraktamath, C. A. (eds.) 1990. Social insects and the environment. Proceedings of the 11th International Congress of IUSSI, 1990. New Delhi: Oxford & IBH Publishing Co., xxxi + 765 pp.

Morgan, E. D.; Agosti, D.; Keegans, S. J. 1990. Chemical secretions and species discrimination in Cataglyphis ants (Hymenoptera; Formicidae). Pp. 402-403 in: Veeresh, G. K.; Mallik, B.; Viraktamath, C. A. (eds.) 1990. Social insects and the environment. Proceedings of the 11th International Congress of IUSSI, 1990. New Delhi: Oxford & IBH Publishing Co., xxxi + 765 pp.

Bagnères, A.-G.; Billen, J. P. J.; Morgan, E. D. 1991. Volatile secretion of Dufour gland of workers of an army ant, Dorylus (Anomma) molestus. Journal of Chemical Ecology 17:1633-1639.

Bagnères, A.-G.; Morgan, E. D.; Clement, J.-L. 1991. Species-specific secretions of the Dufour glands of three species of formicine ants (Hymenoptera, Formicidae). Biochemical Systematics and Ecology 19:25-33.