The larva (caterpillar) of the regal or royal walnut moth (Citheronia regalis), named for the large horn-like projections protruding from the thorax.

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The larva (caterpillar) of the regal or royal walnut moth (Citheronia regalis), named for the large horn-like projections protruding from the thorax. Harmless to people, but horns may provide protection against attacking birds. At 5 inches (12 cm) in length, it is the largest caterpillar in North America. Becoming rare.

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Size: 3597px × 5365px
Photo credit: © Gerry Bishop / Alamy / Afripics
License: Royalty Free
Model Released: No

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