Adaptative properties of the chemical trail system of the African weaver antOecophylla longinoda Latreille (Hymenoptera,Formicidae, Formicinae) |
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| Authors: | G. Beugnon A. Déjean |
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| Affiliation: | (1) Centre de Recherche en Biologie du Comportement, U.R.A. CNRS n ° 664, Université Paul-Sabatier, 118 route de Narbonne, F-31062 Toulouse, France;(2) Laboratoire d'Ethologie et Sociobiologie, U.R.A. CNRS n ° 667, Université Paris XIII, F-93430 Villetaneuse, France |
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| Abstract: | Summary Trail communication of the weaver antOecophylla longinoda is highly adapted to the African rain forests, insofar natural selection in the tropics might favour chemical trails which are durable in nature. A dry chemical trail can last over nine weeks, and over ten months when reinforced with fecal marking. The trail pheromones are resistant to rain, whether they are fresh or three months old, and whether they are reinforced or not with anal deposits. |
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| Keywords: | Oecophylla longinoda orientation trail pheromones fæ cal marking chemical communication tropics |
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