The acres affected by the balsam bark beetle held steady at 27,000, but more of those trees die. Other pests like the spruce budworm can damage trees but don’t necessarily kill them, West said.

He visually inspects each acre to pinpoint problem spots where bark beetles may be moving ... The report does contain some positive news. Spruce beetle populations have decreased dramatically ...

A recent study published in Forest Ecosystems explores how different management strategies affect beetle diversity in spruce plantations severely impacted by bark beetle outbreaks. The research ...

An insect called the western spruce budworm continues to be the most widespread forest pest in Colorado, but a bark beetle with notable infestations in places such as the Grand Mesa is the ...