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SOCIAL STATUS AND REPRODUCTIVE SUCCESS IN QUEENLESS ANT COLONIES

In: Behaviour
Authors:
Trunzer
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Heinze
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Holldobler
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Abstract

Workers in queenless colonies of the ponerine ant Pachycondyla villosa establish linear or near-linear rank orders by antennation bouts and overt aggression. In these hierarchies, top-ranking individuals were reliably among the most productive egg-layers, but several lower ranking workers also laid considerable numbers of eggs. Though many of the subordinates' eggs were eaten by the-workers, we could show by multilocus DNA-fingerprinting that low-ranking individuals occasionally succeeded in producing adult males. However, the most dominant workers always had the highest reproductive success.

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