Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

National Moth Week is July 20-28, 2024!

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Gemmed sphinx
Sphinx geminus (Rothschild & Jordan, 1903)


Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is gray with wavy black and light gray bands and 2 small gray spots near the center of the costa. Hindwing is black with 2 wavy white bands.
Wing Span: 3 5/8 - 4 1/8 inches (9.2 - 10.5 cm).
Life History: Fully-grown caterpillars pupate in underground chambers.
Flight: . Not reported.
Caterpillar Hosts: Not reported.
Adult Food: Probably flower nectar.
Habitat: Not reported.
Range: Texas (as a stray) south into Mexico and Honduras.
Conservation: Not required for a rare stray.
NCGR: GU - Unable to assign rank due to lack of available information.
Management Needs: None reported.
Comments: NULL
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