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Project Noah Nature School
Papilio glaucus
Eastern tiger swallowtail, black form, female.
Beautiful find, Ginni! These dark Swallowtails can be tricky to identify since many of them are quite similar (mostly mimics of the Pipevine Swallowtail, which is distasteful to predators).
Note the differences. Black Swallowtail has row of yellow above the blue on the hindwings, often two rows of yellow dots on the forewings:
Female Black Swallowtail: http://bugguide.net/node/view/108953
http://bugguide.net/node/view/684603/bgi...
Female Eastern Tiger Swallowtail, dark form:
http://bugguide.net/node/view/133270
http://bugguide.net/node/view/690667/bgi...
http://bugguide.net/node/view/746406/bgi...
Hope this helps!
Spotted on Sep 12, 2013
Submitted on Sep 12, 2013
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