The white-petaled columbines, or Aquilegia caerulea var. ochroleuca, is found commonly at lower elevations in Utah, Idaho, and western Wyoming2, where the White-lined Sphinx is particularly common. In ...

A white-lined sphinx moth was taking nectar from this scorpionweed for more than 10 minutes at Labyrinth Canyon Wilderness in Utah. Photo by Jeff Mitton. The flight of sphinx moths is a marvel, for ...