Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study from the University of Eastern Finland shows. Led by Dr Samuli Junttila, ...

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 ...

“Insect herbivores have long been known to accumulate plant defense metabolites from their diet as defenses against their own enemies,” she said in a study recently published in PNAS. “However, as ...

After the city removed nearly 200 pine trees from public parks and golf courses due to bark beetle infestations, Spokane ...

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 ...

The last beetle infestation in the Black Hills was about 10 years ago.

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave ...

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.

LAKE CHARLES, La. (KPLC) - Concerns are growing statewide over a bark beetle infestation. Trees, especially pines, are vital to Louisiana’s economy. Here in Southwest Louisiana, Vernon, Beauregard and ...

GREAT FALLS Drought is being blamed for increasing bark beetle infestations in the Northern Rockies, sometimes to epidemic proportions in aging and overgrown forests, experts say. Diana Six, an ...

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 deadliest ...