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Papilio glaucus
It is amazing the number of different Tigers I have learned from participating in Project Noah. Glad to help because it is fun to learn new things.
Hi gatorfellows - sorry for delay - I don't have additional photos of this Swallowtail so will go with Eastern Tiger. The two types look so much alike but thank you for the information - will watch for that now.
FYI: There is also a Canadian Tiger Swallowtail
Papilio canadensis; but yours does not appear to have the wider/heavier stripes. If you have other photos that you did not post you might look at this other one too; http://www.butterfliesandmoths.org/speci... and make your decision.