The repellent scent-mark of the honeybeeApis mellifera tigustica and its role as communication cue during foraging |
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Authors: | M Giurfa |
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Institution: | (1) Depto. de Ciencias Biológicas, Facultad de Ciencias Exactasy Naturales, Universidad de Buenos Aires, Pab. II - Cdad. Universitaria, CP 1428 Buenos Aires, Argentina;(2) Present address: Institut für Neurobiologie, Freie Universität Berlin, Königin-Luise-Strae 28/30, 1000 Berlin 33, Germany |
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Abstract: | Summary Experimental evidence for flower-marking in honeybees (Apis mellifera ligustica), using pairs of workers from the same colony foraging on an artificial patch of flowers, is reported. Workers marked artificial flowers with scent and strongly rejected all flowers they had recently visited. The same rejection behavior, in a lower although significant proportion, was observed when bees visited flowers just abandoned by the other individual of the pair. The repellent nature of this scent-mark was demonstrated with the use of an air extractor connected to the patch of artificial flowers. When the apparatus was turned on, the rejection behavior disappeared and bees accepted both flowers just abandoned by themselves and flowers just abandoned by the other bee. Differences in the response level of bees to their own marks or to the partner's marks suggest that the repellent scent-mark applied by a bee during foraging would basically be a self-use signal, although it certainly has value in communicating with other workers. |
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Keywords: | Apis mellifera ligustica scent-marking communication pheromone foraging |
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