An integumentary pheromone-secreting gland in Atta sp: Territorial marking with a colonyspecific pheromone in Atta cephalotes |
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Authors: | K. Jaffé M. Bazire-Benazét P.E. Howse |
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Affiliation: | 1. Chemical Entomology Unit, Building 3, The University, Southampton, SO9 5NH, England;2. Laboratoire d''Evolution et Laboratoire de Microscopie electronique, C. N. R. S. Université P. and M. Curie, 105 Boulevard Raspail, 75006 Paris, France |
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Abstract: | Workers of Atta cephalotes mark the area around their nest with a pheromone that has at least two components, one of which is colony-specific. Another, which was isolated and tested for its activity, is genus- or species-specific in its action; it appears to be similar in A. sexdens and A. cephalotes, but differs in Acromyrmex octospinosus. The pheromone is produced in a newly described gland, located near the sting. A synthetic trail pheromone component in very low concentrations stimulates some behavioural effects similar to those of the territorial pheromone. |
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