Royal Walnut Moth

Is this Sphinx Moth?
I tried to identify this beutiful moth, but found your site… Can you please identify it for me? This was found today in Murfreesboro, Tennessee. Its wings spans 3-4"wide when it opens. Thank you.

Hi Ike,
This is not a Sphinx Moth. It is a Royal Walnut Moth or Regal Moth, one of the Saturnid or Giant Silk Moths.

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