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Photo#316367
Swallowtail - Papilio machaon - male
Copyright © 2009 john and jane balaban

Swallowtail - Papilio machaon - Male
Mt Ashland, Jackson County, Oregon, USA
July 3, 2009
One of the western yellow swallowtails nectaring on wallflower at 6600 feet on Mt Ashland.

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Swallowtail - Papilio machaon - male Swallowtail - Papilio machaon - male
Contributed by john and jane balaban on 6 August, 2009 - 6:33pm
Last updated 15 August, 2009 - 8:48pm

Nice photos
Looks most like an Oregon Swallowtail, a male I believe.
Papilio machaon oregonius

There are a few details that make it look like an Anise Swallowtial, but the majority of traits are more like Oregon Swallowtails. The two can be difficult to distinguish (and they probably produce hybrids).

Moved from Papilio.
… David J. Ferguson, 11 August, 2009 - 5:04pm

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