Two arrived in the U.S. from overseas. One is domestic.

Vast swaths of the ponderosa pine forests that blanket Colorado’s Front Range mountains could turn rust-colored and die over the next five years as pine beetles begin to spread aggressively, new ...

The warmest winter in Colorado history could lead to record-breaking proliferation of a tiny insect, about the size of a grain of rice, that has killed millions of acres of trees across the Centennial ...

Aerial survey data show that this native insect is killing trees on more than 5,000 acres of ponderosa pine forests across ...

Visitors at Medicine Lake Recreation Area should expect to see crews removing dead and dying trees, the U.S. Forest Service announced. The effort is in response to widespread tree mortality from ...

Members of Colorado's task force on the Front Range pine beetle infestation met at Chief Hosa Lodge on Wednesday morning amid worries about the expected wide-ranging damage that hangs over hundreds of ...

BLACK FOREST, Colo. (KRDO) -- There is growing concern across Colorado about mountain pine beetle infestations. Neighbors in the Black Forest say they’re seeing the impact firsthand, as tree deaths in ...

RAPID CITY, S.D. (KOTA) - Pine engraver beetles are beginning to show up across the Black Hills, moving into downed branches and broken pine trees left behind by winter windstorms. Foresters say the ...

Bark beetles evolved to feed on specific types of trees, leaving behind dried-out shells, as seen at Lake Granby in Granby, Colorado on May 31, 2025. (Amanda Pampuro/Courthouse News) UNCOMPAHGRE ...

While they have a somewhat imposing appearance, the pine sawyer beetle – formerly known as American longhorn beetle – are a ...

The warmest winter in Colorado history could lead to record-breaking proliferation of a tiny insect, about the size of a grain of rice, that has killed millions of acres of trees across the Centennial ...