The emerald ash borer is an invasive species of tiny green beetle that has been killing millions of trees across the country.

The emerald ash borer has been confirmed in Wagoner and Creek counties. Oklahoma forestry experts explain how it spreads, ...

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 ...

Nature gives rise to fascinating adaptations, which can sometimes lead to organisms living in some strange situations. The relationship between bark beetles, spruce trees, and a type of fungus is a ...

IDAHO FALLS, Idaho (AP) — U.S. Forest Service officials say the number of trees being killed by pine beetle infestation is on the decline, in part because the insects have eaten themselves out of ...

Ron Durbin, who trekked with a group into a rugged Santa Clarita canyon, quickly spotted nearby trees pockmarked with D-shaped “exit holes,” a deadly calling card. This was the work of the goldspotted ...

New Jersey has done it. And so has Illinois. Now forestry and agricultural officials need your help to add South Carolina to the list of places that have eradicated the invasive and deadly Asian ...

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 ...

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 ...

The rain and snow Colorado picked up this week may have helped chip away at drought conditions, but tree experts say one wet ...