Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Vine sphinx moth? - Eumorpha achemon

Vine sphinx moth? - Eumorpha achemon
Ontario, San Bernardino County, California, USA
July 27, 2013
Size: 2 inches across
Found on tomato plants

Moved from ID Request.

The Vine Sphinx moth does not range into California, in any event.

Achemon Sphinx Moth
That looks like an Eumorpha achemon

Achemon Sphinx…
See reference here.

Dadgummit, Ross! You beat me to the I.D. LOL.

Anyway, yes, I agree with you; it looks to be an Achemon Sphinx Moth.