The ecological benefits of larger colony size may promote polygyny in ants.

@article{Boulay2014TheEB,
  title={The ecological benefits of larger colony size may promote polygyny in ants.},
  author={Rapha{\"e}l Boulay and Xavier Arnan and X{\'i}m Cerd{\'a} and Javier Retana},
  journal={Journal of evolutionary biology},
  year={2014},
  volume={27 12},
  pages={2856-63}
}
How polygyny evolved in social insect societies is a long-standing question. This phenomenon, which is functionally similar to communal breeding in vertebrates, occurs when several queens come together in the same nest to lay eggs that are raised by workers. As a consequence, polygyny drastically reduces genetic relatedness among nestmates. It has been suggested that the short-term benefits procured by group living may outweigh the costs of sharing the same nesting site and thus contribute to… CONTINUE READING
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