Bug Identifier
Cecropia moth caterpillar
Community identification

Cecropia moth caterpillar

Hyalophora cecropia

Order & Family
Lepidoptera: Saturniidae
Size
Up to 4.5 inches (11.5 cm) long in the final instar stage
See this bug in the Encyclopedia

Natural Habitat

Deciduous forests, woodlands, orchards, urban and suburban areas across North America

Diet & Feeding

Herbivorous; feeds on foliage from host trees and shrubs including maple, birch, cherry, apple, willow, and lilac

Behavior Patterns

Solitary defoliator that undergoes five instar stages, changing color from black to bright green with blue, yellow, and red spiny tubercles. When mature, it spins a large, tough silk cocoon on twigs to overwinter before emerging as a giant silk moth.

Risks & Benefits

Benefits include serving as a pollinator in its adult moth form and providing food for birds and beneficial insects. Harmless to humans and rarely causes significant agricultural or forestry damage due to low population densities.