Paper wasps help out for their own good
Behavior that appears altruistic actually benefits number one
By Susan Milius, 10:46 AM August 11, 2011
Acts of apparent altruism in European paper wasps can be explained by plain old self-interest, a new study finds.
Polistes dominulus females can either establish their own nests to raise young or join other females for joint homemaking. In those joint nests, though, one female fights her way to the top and does most of the egg-laying while the others do most of the drudge work in taking care of the top wasp’s young.
When a subordinate helps her sister, that’s not hard to explain: The under...
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