Beetle-ravaged forests prompt campground closures in Rockies (AP)

Dead bark beetles are displayed next to a penny in the Wyatt Williams's lab at Boise State University in Boise, Idaho, in this Aug. 24,2006, file photo. As bark beetles ravage millions of trees across the West, U.S. Forest Service officials in Colorado and Wyoming have closed some popular campgrounds out of concern the infested trees will come crashing down on visitors. (AP Photo/Troy Maben,File) AP - Vacationers will have fewer places to pitch their tents this summer in Colorado and Wyoming, and they can place the blame on bugs.