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Extreme Camouflage for Caterpillars

Caption: The 3rd (left), 4th (middle), and 5th (right) instar larvae of swallowtail butterfly Papilio xuthus. The study, by Dr. R. Futahashi and colleagues at National Institute of Agrobiological Sciences in Ibaraki, Japan, was titled "Juvenile Hormone Regulates Butterfly Larval Pattern Switches." The article appeared in the Feb. 22, 2008, issue of the journal Science, published by AAAS. The study, by Dr. R. Futahashi and colleagues at National Institute of Agrobiological Sciences in Ibaraki, Japan, was titled "Juvenile Hormone Regulates Butterfly Larval Pattern Switches."

Credit: Image courtesy of Ryo Futahashi

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