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Quiz: Pipevine Swallowtail
CORRECT
The upper side of the Pipevine Swallowtail is dark as shown or with
deep blue iridescence on the hindwings. The underside is quite distinctive
with its single row of large orange spots on the hindwings. The Pipevine
Swallowtail is uncommon to rare in Berks County, but is common in the South.
Chances of seeing it are increased if the caterpillar foodplant, Pipevine,
is growing nearby.