Despite the damage incurred by recent hurricanes, notably Hurricane Michael in 2018, the pine tree industry in Florida still is a major contributor to the state’s economy. This industry includes the ...

Trees, especially pine trees, are in for challenging times. Although pine trees are relatively drought tolerant, ongoing drought, as we’ve experienced in Marin County for several years, has caused ...

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 ...

11:07 a.m. June 29, 2022: A previous version of this story misspelled Constance Millar’s first name. Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic ...

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 ...

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 ...

From the late 1990s through 2013, most of Colorado’s trees lost to mountain pine beetle infestations were lodgepole pines at ...

Mountain pine beetles continued their march across north-central Colorado this summer, but the U.S. Forest Service says the destructive insects have not invaded the Pikes Peak region in great numbers.

A persistent pest killing parched pines in Spokane’s oldest municipal golf course prompted park officials to take the extraordinary step of cutting down dozens of trees this winter. Earlier this month ...

Hot temperatures usually make people tired and lazy, but for the western bark beetle, the heat just makes them want to have a lot of sex — and that’s bad news for giant pine trees scattered across the ...

A pine beetle epidemic in Colorado is killing hundreds of thousands of trees and turning the state's forests brown. Elise Thatcher, a producer for Colorado Matters on Colorado Public Radio, says there ...

Insects and drought are taking an increasing toll on Colorado’s forests, challenging the long-term sustainability and resiliency of the state’s roughly 24.5 million acres of forest, a new report says.