Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Caterpillars, maggots, grubs, and similar immature insects - Larger than 3/4 inch long > White-lined sphinx
White-lined sphinx
Hyles lineata
Jeff Hahn, University of Minnesota Extension
Unknown
Description: Up to 3 inches long.
Where/When: Feeds on evening primrose and related plants; grapes, apples and other plants in the Rosaceae (rose family); and many types of herbs and woody plants. Active from June through July.
Significance: Feeding is rarely sufficient to seriously damage plants.
More information on White-lined sphinx