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Project Noah Nature School
Papilio polyxenes
The black swallowtail has a wingspan of 8 to 11 cm (3.1 to 4.3 in). The upper surface of the wings is mostly black. On the inner edge of the hindwing is a black spot centered in larger orange spot. A male of this species has a yellow band near edge of wings; a female has row of yellow spots. The hindwing of the female has an iridescent blue band.
Spotted at the Cylburn Aboretum in Baltimore, MD. This place has many gardens full of flowers and butterflies.
Spotted on Jul 15, 2013
Submitted on Jul 28, 2013
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