Observation notes: Early morning, cool, damp for CO.
Verified by: A_baldini
Verified date: June 05, 2020
Coordinator notes: This is a Western Tent Caterpillar, Malacosoma californicum. They use mountain mahogany (Cercocarpus montanus) and many other similar shrubs as host plants. If you found this one wandering, it may be ready to pupate.