Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Streaked sphinx
Protambulyx strigilis (Linnaeus, 1771)

Family: Sphingidae
Subfamily: Sphinginae
Identification: Inner margin of forewing is indented. Upperside of forewing is pale yellowish gray in the pale form and reddish brown in the dark form. Both have a distinct submarginal line and a dark band along the indentation in the inner margin. Hindwing upperside of the pale form is deep golden orange with dark bands; dark form has orangish brown hindwing. Hindwing underside of both forms has irregular transverse lines, a distinct submarginal line, and a pale outer margin.
Wing Span: 4 1/4 - 5 1/4 inches (10.8 - 13.4 cm).
Life History: Not reported.
Flight: . July in Florida.
Caterpillar Hosts: Various species of Anacardium, Spondias, Erythroxylon, and Comocladia; all in the cashew family (Anacardiaceae).
Adult Food: Not reported.
Habitat: Tropical and subtropical lowlands.
Range: Argentina and Central America north through the West Indies to southern Florida.
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