Life History: Fully-grown caterpillars pupate and overwinter in underground burrows.
Flight: . Probably one brood from late June to early August.
Caterpillar Hosts: Possibly tomato.
Adult Food: Probably flower nectar.
Habitat: Not reported.
Range: Colorado south through New Mexico and Arizona to Veracruz and Hidalgo, Mexico.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes: Formerly in the genus Sphinx, as Sphinx separatus.
Alternate Scientific Names:
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