Wing Variation in Passionvine Butterflies and Peppered Moths (IMAGE)

Smithsonian Tropical Research Institute

Wing Variation in Passionvine Butterflies and Peppered Moths

Caption

These are museum specimens of passionvine butterflies (Heliconius melpomene) and peppered moths (Biston betularia) showing two different wing pattern variants in each species. The cortex gene controls pattern variation. Taken at the Muséum National d'Histoire Naturelle in Paris.

Credit

Violaine Llaurens

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