In the ant Rhytidoponera confusa, newly eclosed workers that are separated from their own colony and reared in nestmate groups for 31-81 days are attacked and often killed when returned to their own colony. However, similar-aged young workers reared in their own colonies are only very mildly attacked by nestmates. This suggests that for this ant species special mechanisms (e.g. pheromones inhibiting aggression) may be necessary for the integration of newly eclosed workers into their own colonies. Possible explanations are considered for why young workers reared in isolation are attacked by nestmates. Explanations regarding low relatedness, Gestalt odour, queen odour, ovary development and environmental odour differences between cages can probably be discounted. Instead, evidence supports a little-tested hypothesis originally suggested by Fielde (1905) that young workers may have different odours to older workers. © 1989 Masson.
CITATION STYLE
Crosland, M. W. J. (1989). Kin recognition labels of young ant workers. Insectes Sociaux, 36(2), 77–91. https://doi.org/10.1007/BF02225904
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