Maybe Pandora Sphinx
July 11, 2010
Found this moth on July 11th this year on our palm plant on our patio in Peoria, AZ. The closest thing I could find to it is the Pandora Sphinx but both my books tell me they are not found in this part of the United States.
Peoria, AZ

Achemon Sphinx

Hi Jeremy,
Your observations that your moth looked like a Pandora Sphinx,
Eumorpha pandora, was a good hunch since your moth, the Achemon Sphinx, Eumorpha achemon, is in the same genus.  Though they are different species, the two members of the genus Eumorpha share many physical similarities and they also share a portion of their ranges.  You can read more about the Achemon Sphinx on Bill Oehlke’s excellent website.  Your shot showing the underwings is wonderful for identification purposes.

Thank you for your help in identifying the moth and for the extra knowledge with it. I really do appreciate it.

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