Mike says any pine tree is vulnerable to bark beetles, and summer is the highest-risk time. "We see it on a weekly basis," said Mike.

An entomologist discusses the Pine Bark beetle and whether our unusually cold winter might make them less prevalent in Colorado forests.

Given the extent of the Colorado forest affected by bark beetle — 3.4 million acres by mountain pine beetle plus 1.78 million acres by spruce beetle between 1996 and 2014 — preventing ...

GRAND JUNCTION, Colo. (KJCT) - That bark beetle problem in Colorado is still evolving and in many cases, still growing. Luckily, this active winter might help slow them down. It’s not the ...

So of course, it’s really tough to be a tree.” The Colorado Sun is a reader-supported, nonpartisan news organization dedicated to covering Colorado issues. To learn more, go to coloradosun.com.

John Daley/CPR News FILE, A fallen log, likely attacked two decades ago by the mountain pine beetle, which leaves a pattern of cuts in the wood where the beetles lay eggs and bore under the bark ...

Pinyon pine is a widely distributed pine that grows in the Intermountain region of western North America. It is a major indicator tree in the pinyon-juniper life zone. P. edulis is a short and ...

Limber pine, as seen here along the Sky High Trail, San Gorgonio Wilderness, San Bernardino Mountains, California, can have smooth bark, which discourages bark beetles. Photo courtesy of Wikimedia ...