The evolution of worker caste diversity in social insects.

  title={The evolution of worker caste diversity in social insects.},
  author={Else J. Fjerdingstad and Ross H. Crozier},
  journal={The American naturalist},
  volume={167 3},
Morphological diversification of workers is predicted to improve the division of labor within social insect colonies, yet many species have monomorphic workers. Individual-level selection on the reproductive capacities of workers may counter colony-level selection for diversification, and life-history differences between species (timing of caste determination, colony size, genetic variation available) may mediate the strength of this selection. We tested this through phylogenetically… CONTINUE READING

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