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Bees and Wasps Keep Genes in the Family (2 of 3)

Caption: The entrance hole of a colony of the stingless bee Friesomellita varia from Brazil, one of the many social insects in which queens only ever mate with a single male. This image relates to article that appeared in the May 30, 2008, issue of the journal Science, published by AAAS. The study, by Dr. William O. H. Hughes of the Max-Planck-Institut für Astro and colleagues, was titled "Ancestral Monogamy Shows Kin Selection Is Key to the Evolution of Eusociality."

Credit: Photo provided by FLW Ratnieks, via Science-AAAS

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