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Protambulyx strigilis
Large moth. 3-4 in wing span.
Found in morning on outside window sill. Must have been well lit at night and attracted to artificial light.
Hi Zach! Awesome moth! However, this is not a Pandora Sphinx Moth, which looks like this: http://www.projectnoah.org/spottings/124....
I think it is the Streaked Sphinx Moth, Protambulyx strigilis, but you may want to submit to http://bugguide.net/node/view/15740 and http://www.butterfliesandmoths.org to confirm.