Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Vashti sphinx
Sphinx vashti Strecker, 1878

Family: Sphingidae
Subfamily: Sphinginae
Identification: Highly variable. Forewing ranges from pale to very dark gray with paler gray at the base of the costa, the wing tip, and on the outer margin. A series of black dashes ends with the topmost one reaching the wing tip. Hindwing is black with white bands.
Wing Span: 3 - 4 inches (7.5 - 10 cm).
Life History: Fully-grown caterpillars pupate in underground chambers.
Flight: . One brood from May-July.
Caterpillar Hosts: Snowberry (Symphoricarpos albus) and coralberry (S. orbiculatus).
Adult Food: Honeysuckle (Lonicera) and columbine (Aquilegia).
Habitat: Montane woodlands and prairie streamcourses.
Range: British Columbia east to Manitoba, south to southern California, Nevada, central Arizona, New Mexico, and west Texas.
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

Pollinator Week was June 20-26, 2022!

Butterflies and moths are accidental pollinators of many flowering plants. While most species do not have special structures to carry pollen, they do brush against pollen and transfer it to other flowers.

Did you know? The Eastern Tailed-Blue (Cupido comyntas) flies close to the ground and uses its short proboscis to probe flowers of wild strawberry, white sweet clover, and other low-lying plants.