The mountain pine beetle is recognized as the most destructive of western forest insects, but the magnitude of this epidemic is already ten times larger than the greatest epidemic previously recorded.

Colorado’s popular recreation areas were hit especially hard by the epidemic. Out of about 4.1 million acres of pine forests ...

“We already lost millions of pine trees that are standing dead in the middle of these forests. There are living trees around. The beetles that kill the existing trees are going to come out this ...

RAPID CITY, S.D. (KOTA) - Mountain Pine Beetles damaged hundreds of thousands of acres of forest in the Black Hills over a 20-year epidemic stretching from the mid-1990s to the mid-2010s.

Even the few species that do kill trees tend to target highly stressed ones. The mountain pine beetle is the bad bug of the bunch. Given the right conditions, it can ravage one healthy tree after ...

The pine beetles were once confined to the southern ... An infestation can quickly kill a healthy tree and in short order can turn whole stands of evergreens to sickly orange, then brown and ...