Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Elm sphinx
Ceratomia amyntor (Geyer, 1835)

Family: Sphingidae
Subfamily: Sphinginae
Identification: Forewing is brown with dark brown and white markings including a white costal area, dark streaks along veins, and a white spot in the cell. Hindwing is light brown and has a dark brown band along the outer margin.
Wing Span: 3 1/4 - 4 1/2 inches (8.2 - 11.5 cm).
Life History: Fully-grown caterpillars pupate and overwinter in burrows underground.
Flight: . One brood in the north from June-July, two broods in the south from March-October.
Caterpillar Hosts: Elm (Ulmus), birch (Betula), basswood (Tilia), and cherry (Prunus).
Adult Food: Adults probably do not feed.
Habitat: A wide variety of forested and open habitats.
Range: Nova Scotia west to Saskatchewan and western North Dakota and Colorado; south to central Florida, the Gulf Coast, Texas, and New Mexico.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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