Experts are divided if they are a true separate species. The book, Peterson's Field Guide Eastern Butterflies, by Paul Opler and Vichai Malikul believe so based on flight periods and host plants.
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| Papilio canadensis Family Papilionidae Canadian Tiger Swallowtail |
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| Food: Birch, Aspen and Black Cherry |
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| I was trying to catch it on the apple blossoms. |
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| Flight - May to mid July |
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| I am putting my butterfly photos into an album on Facebook. |
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| Tiger on Orange Hawkweed June 23 |
| June 23 |
| June 23, 2012 |






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