Aggregation pheromones in Collembola |
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Authors: | H.A. Verhoef C.J. Nagelkerke E.N.G. Joosse |
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Affiliation: | Department of Biology, Free University, Amsterdam, The Netherlands |
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Abstract: | The existence of aggregation pheromones is demonstrated in the Collembola Orchesella cincta, Orchesella villosa, and Tomocerus minor. Places conditioned by these animals can be considered as pheromone-sources, causing aggregation. Although for Tomocerus minor perception is not strictly species specific, all species investigated appear to be more responsive to their own pheromone than to those produced by other species. Both males and females appear to produce and perceive the aggregation pheromone. The distant action of the pheromone points to an olfactorially acting pheromone, in the perception of which the antennae play an important rôle. The behavioural reaction of the perceiving animals is orthokinetic. |
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