fruit flies fruit flies

A male fruit fly (Drosophila melanogaster) Jan Polabinski/iStockphoto hide caption

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Jan Polabinski/iStockphoto

Now we know why we'll never see a common fruit fly (Drosophila melanogaster) sitting on a beet. Jan Polabinski/iStockphoto.com hide caption

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Jan Polabinski/iStockphoto.com