Male

Western tussock moth

Orgyia vetusta

Lepidoptera: Lymantriidae

Larval food plants: deerweed, buckwheat, snowbrush ceanothus, bitterbrush, willow, serviceberry, wild rose, desert peach, bittercherry

Female (wingless) laying eggs on cocoon

Male

Larvae

Larva

Larva

Larva spinning cocoon

Cocoon (incorporating hairs from the larva)