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News Release 11-187
A Tale of (More Than) Two Butterflies
Appalachian tiger swallowtail butterfly is hybrid of other swallowtails
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![Photo of the yellow form of the female eastern tiger swallowtail butterfly at Spruce Knob, W.Va.](/news/mmg/media/images/swallowtails1_f.jpg)
A yellow form of the female eastern tiger swallowtail butterfly, here at Spruce Knob, W.Va.
Credit: K. Kunte, Harvard University
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![Close-up image of the wing scales of a male eastern tiger swallowtail butterfly.](/news/mmg/media/images/swallowtails2_f.jpg)
Close-up image of the wing scales of a male eastern tiger swallowtail butterfly.
Credit: K. Kunte, Harvard University
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![Photo of the Canadian tiger swallowtail butterfly.](/news/mmg/media/images/swallowtails3_f.jpg)
The Canadian tiger swallowtail butterfly is found in Canada and bordering areas of the United States.
Credit: K. Kunte, Harvard University
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![Photo of male Appalachian tiger swallowtail feeding in Rhododendron flowers at Spruce Knob, W.Va.](/news/mmg/media/images/swallowtails4_f.jpg)
Male Appalachian tiger swallowtail feeding in Rhododendron flowers atop Spruce Knob, W.Va.
Credit: K. Kunte, Harvard University
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![Photo of a pipevine swallowtail butterfly in the Great Smoky Mountains National Park, Tennessee.](/news/mmg/media/images/swallowtails5_f.jpg)
Pipevine swallowtail butterfly in the Great Smoky Mountains National Park, Tennessee.
Credit: K. Kunte, Harvard University
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![Photo of the black female form of the Appalachian tiger swallowtail.](/news/mmg/media/images/swallowtails6_f.jpg)
The black female form of the Appalachian tiger swallowtail has the wing pattern of the pipevine swallowtail to evade predators.
Credit: K. Kunte, Harvard University
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