As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

My friend Roni and I were discussing an upcoming heavy pruning on her pine trees, which are growing into power lines. She said she was planning on using a systemic insecticide containing imidacloprid ...

ISLAND PARK, Idaho – Oblivious to the dry summer heat, Forest Service silviculturist John Councilman hikes through a stand of trees looking for signs of violent struggle. It doesn’t take long.

Clockwise from top left: (1) Two lodgepole pines growing side-by-side with notably different bark textures, (2) a rough-barked limber pine that has been attacked by bark beetles, (3) a limber pine ...

Once beetles enter a tree, both the larvae and the adults overwinter beneath the bark, Gale confirmed. According to Gale and ...

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 ...

BELLAIRE, MI – An invasion of beetles is coming, and it will bring another wave of damage to the already battered Michigan Northwoods. Participants at last week’s annual Michigan Society of American ...

JOINT BASE LEWIS-McCHORD, Wash. – Joint Base Lewis-McChord is full of beautiful forests. Often, the forests are filled with Douglas fir trees, but ponderosa pine is also present. Ponderosa pine is ...