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A real turn on: Evolutionary rotation of fly genitalia tied to mating success

19:00 EST 26 Feb 2019 | AAAS

(Osaka University) Osaka University researchers sought evidence that developmental genital rotation of flies in the order Diptera evolved in correlation with a shift to accommodate mating positions; i.e., 'evolutionary cooperation' of morphology and behavior. They found that male flies with properly rotating genitalia had the greatest degree of reproductive success. However, they found no solid correlation with courtship behaviors. The relation between genital alignment and reproductive success reinforces evolutionary theory and offers promise for pest control methods.

Original Article: A real turn on: Evolutionary rotation of fly genitalia tied to mating success

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