Abstract
The role of postpharyngeal gland secretion in nestmate recognition was tested inManica rubida. Behavioral tests comprised two consecutive encounters between five ants and their color-marked nestmate. The first encounter utilized an untreated ant constituting a control, whereas in the second encounter the marked ant was treated with postpharyngeal gland exudate. Scoring was done using an aggression index obtained by direct observation and an agitation index deduced from a frame-by-frame analysis of videotapes of the various tests. When the glandular secretion originated from an alien ant, the ants became very agitated and were aggressive toward their nestmate. When the exudate originated from a nestmate, the ants generally remained calm, although their rates of self-grooming increased.
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Hefetz, A., Errard, C., Chambris, A. et al. Postpharyngeal gland secretion as a modifier of aggressive behavior in the myrmicine antManica rubida . J Insect Behav 9, 709–717 (1996). https://doi.org/10.1007/BF02213551
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DOI: https://doi.org/10.1007/BF02213551