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Spot ID Characters for the Family PapilionidaeSwallowtail Butterflies |
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To view close-ups, mouse over each butterfly in the left image. |
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Key Characters:
The swallowtail butterflies are commonly seen in the eastern United States and have several defining characteristics. Unique to this family is a short ‘tail-like’ piece extension apparent from the distal end of the hind wing. There is also only one anal vein in the hind wing. The Cu- crossveins are in the front wings, allowing it look 4-branched. The larvae are smooth bodied. |
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