 Larva ochreous brownish or bronzy-grey, sides sometimes greenish ; dorsal, subdorsal, and spiracular lines faintly darker or lighter, usually darker-edged ; head sufFusedly brown-marked.Populations of this species have been found in southern Canada, 48 of the United States (and additionally Hawaii), Mexico, Central and South America, Australia, New Zealand, the Pacific Rim, North Africa, Europe, and Asia.However, they are absent from some tropical regions and colder areas and are more widespread in the Northern than Southern Hemisphere.