Meaning of hickory horned devil in English:

hickory horned devil

adjective

  • The caterpillar of the regal moth, Citheronia regalis, which is green with hard, spiky, brown and black horns on the thoracic segments and feeds on the leaves of hickory and some other trees.

Origin

Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist.