Alex Hyde / Caterpillar of the Common Vapourer Moth (Orgyia antiqua), showing defensive urticating hairs that deter predators. Peak District National Park, Derbyshire, UK. April.

Pete Oxford / Moth caterpillar with well developed appendages with urticating hairs, Rewa River, Guyana

Michael & Patricia Fogden / Moth (Automeris sp) caterpillar with urticating hairs that cause irritation if disturbed, Costa Rica

Michael & Patricia Fogden / Flannel Moth (Megalopygidae) caterpillar, has urticating hairs that cause irritation if disturbed, Costa Rica

Pete Oxford / Moth caterpillar with well developed appendages with urticating hairs, Rewa River, Guyana