Orientation and navigation during adult transport between nests in the ant Cataglypis iberica |
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Authors: | V Fourcassie Abdallah Dahbi Xim Cerdá |
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Institution: | LEPA-UMR CNRS 5550, Université Toulouse III, France. fourcass@cict.fr |
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Abstract: |
Cataglyphis iberica is a polydomous ant species in which adult transports between nests are frequently observed. When pairs of workers were captured
and released at the same location, the transporters (Ts) fled directly towards their destination nest and reached it in most
of the cases. The transportees (Te), on the other hand, fled in the opposite direction and only a third of them eventually
reached their nest of departure. Additional experiments suggest that this result may be explained by the fact that the Ts
ants have a memory of the compass direction of the nest they are heading to and that they adjust their course by using a sequence
of memorised landmarks. As regards to the Te, the reversal of their direction of transport seems to be based essentially on
celestial cues.
Received: 20 October 1999 / Accepted in revised form: 10 May 2000 |
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Keywords: | |
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