Photo detail

A cluster of caterpillars sit on a leafless branch 10 miles south of Hayden. An outbreak of an unknown species of caterpillar has hit Routt County, with at least four tree species losing foliage as a result.

Stories this photo appears in:

Outbreak surprises resident

Unknown caterpillar species spreads thick across county

Take a walk around Frank Welsh's property 10 miles south of Hayden and it won't take long to see the scale of the caterpillar infestation there.

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