Tuesday, June 01, 2004

Pirk et al., 10.1073/pnas.0402506101 - Online before print: Worker reproduction in queenright honey bee cololnies (Apis mellifera) is low, in contrast to queenless colonies, most likely mediated via the removal of worker-laid eggs by other workers ("policing"). This behavior ist thought to evolve because of the high queen mating frequencies, as then workers are more closely related to the sons of their mother than those of their sisters (Hymenoptera). Alternatively it is hypothesized that worker-laid eggs are less viable than queen-laid eggs. Exactly this result is shown by this article for honey bees.

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