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

Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

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 ...

A western pine beetle rests on a sap mound on a pine tree. - Charles Wollertz/Getty Images A thriving pine tree is a thing of beauty, but what if your pine tree doesn't seem so healthy? If you notice ...

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

Mountain Pine Beetles are the size of a grain of rice, but can be detrimental to trees and the beautiful landscape of ...

Bark beetle damage has more than doubled for two consecutive years as warmer winters extend the insects' active season across ...

The goldspotted oak-borer, an invasive beetle responsible for killing 200,000 trees in Southern California, is now present in ...

Washington had fewer dead or dying trees last year, but beetles that feed on dry trees caused greater damage across the state, a concerning trend for environmental officials. The state’s annual forest ...

NAMPA, Idaho — Some change is taking root in Nampa's largest cemetery. Nearly 300 trees at Kohlerlawn Cemetery have been taken down after losing a battle to burrowing beetles. But the final chapter ...

In 2009, a resident of Orchidland subdivision in Puna on Hawaii island found a strange beetle with extremely long antennae on the screen door. This report marked the first detection of a new species ...

The Forestry Division says that last year, about 209,000 acres of trees died ...