Old developmental pathways spawn revolutionary evolutionary changes

When the larvae of the primitive social insect Polistes metricus, a paper wasp, slips into the quiet pupal stage, she doesn’t know if she’ll arise a worker or gyne (future queen) – unless she consults with Arizona State University’s social insect researcher Gro Amdam.

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<p><a href="http://www.physorg.com/news108383063.html">Old developmental pathways spawn revolutionary evolutionary changes</a></p> <p>When the larvae of the primitive social insect Polistes metricus, a paper wasp, slips into the quiet pupal stage, she doesn’t know if she’ll arise a worker or gyne (future queen) – unless she consults with Arizona State University’s social insect researcher Gro Amdam.</p>