09/06/2010 05:12 am ET Updated May 25, 2011

Twig Beetles Join Pine Beetles In Killing Colorado Forests

FRISCO, Colo. -- As if the beetles that have killed millions of pine trees in the Rockies weren't enough, there's a new bug looking to eat what the others haven't.

Colorado forest officials say the latest troublesome bug is the twig beetle, which is attacking smaller trees the pine beetle has overlooked.

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