Black swallowtail larva (Papillio polyxenes) on wild parsnip
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Two tailed and Western Swallowtails Papillio m. and r.
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Canadian Tiger Swallowtail Papillio canadensis
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Black swallowtail larva (Papillio polyxenes) on wild parsnip
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Black swallowtail (Papillio polyxenes), male
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