Queen power in relation to age and mating status in the Argentine antIridomyrmex humilis (Mayr) |
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Authors: | A Cariou-Etienne L Passera |
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Institution: | (1) Centre de Recherche en Biologie du Comportement, Université Paul-Sabatier CNRS, URA 664, 118 route de Narbonne, 31062 Toulouse Cedex, France |
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Abstract: | Summary Queen power inIridomyrmex humilis during six arbitrarily chosen physiological stages of queens (virgin winged queens at the time of emergence, the same 4–5 days old, mated winged queens 5–6 days old, mated queens at the time of dealation, young egg-laying queens, and old egg-laying queens) was tested with regard to workers. Tested workers and queens were nestmates. The results were as follows. 1) Power of the old queens remained rather constant throughout the reproductive season. 2) Young queens were always less attractive than older ones. No changes were observed from the time of emergence to dealation. 3) At the time of egg-laying, these young queens became markedly attractive for workers but never as much as old egg-laying queens. Therefore, insemination and dealation do not trigger the increase in queen power. In contrast, oogenesis ending by egg-laying produces a significant increase in queen power. |
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Keywords: | Mating dealation attraction/aggregation pheromone queen aging Iridomyrmex humilis |
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