Abstract
Division of labor among size and age classes in social insect colonies is a fundamental aspect of sociality, with such classes typically showing behavioral specialization and being associated with particular tasks for prolonged periods of time (i.e., forming castes). Theoretically, such specialization and division of labor enhance efficiency and, ultimately, reproductive success, and the ratios among members of those castes are hypothesized to be under selection and adaptive. However, our recent field study of the ant Pheidole dentatashowed no correlation between ecological factors which should affect colony growth and those caste ratios but implied flexibility in the association between minor worker age castes and their tasks. In laboratory experiments on behavioral flexibility in minor age castes of P. dentataold workers in colonies without young workers competently perform both old worker (caste“typical”) and young worker (“atypical”) tasks, and vice versa. The implications of these results for ergonomie theory are considered.
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Calabi, P., Traniello, J.F.A. Behavioral flexibility in age castes of the antPheidole dentata . J Insect Behav 2, 663–677 (1989). https://doi.org/10.1007/BF01065785
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DOI: https://doi.org/10.1007/BF01065785