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First identification of a trail pheromone of an army ant (Aenictus species)

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Abstract

Totally blind army ants carry out massive and highly organised foraging raids, apparently guided by chemical stimuli. Until now, this phenomenon has not been closely analysed. The existence of a trail pheromone in a postpygidial gland of anAenictus species has been demonstrated and the substances identified as methyl anthranilate and methyl nicotinate The pheromone consists of two parts: a primer effect, caused by methyl nicotinate, which prepares workers to follow trails, but is not itself followed, and a releaser effect, due to methyl anthranilate, which causes trail-following only in conjunction with the primer substance.

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Oldham, N.J., Morgan, E.D., Gobin, B. et al. First identification of a trail pheromone of an army ant (Aenictus species). Experientia 50, 763–765 (1994). https://doi.org/10.1007/BF01919378

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  • DOI: https://doi.org/10.1007/BF01919378

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