Male. © Peter J. Bryant.

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. © Peter J. Bryant.

Male. © Peter J. Bryant.

Larvae. © Peter J. Bryant.

Larva. © Peter J. Bryant.


Larva. Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 4-25-10. © Ron Hemberger

Larva. Thomas E. Riley Wilderness Park, Coto de Caza, Orange County, CA. 4-25-10. © Ron Hemberger

Larva. © Peter J. Bryant.

Larva spinning cocoon. © Peter J. Bryant.

Cocoon (incorporating hairs from the larva). © Peter J. Bryant.