A mountain pine beetle outbreak is on the rise in Black Forest and across the state. The Colorado State Forest Service is ...

A mountain pine beetle outbreak is on the rise in Black Forest and across the state. The Colorado State Forest Service is ...

More than half a million acres of trees spread across Washington were sick, struggling, or dead last year, according to the ...

As temperatures rise, local officials warn residents about the Western Pine Bark Beetle, a native insect that affects ...

A swarm of destructive wasp-like insects is spreading fast, and it could mean bad news for pine trees, holiday traditions, and your backyard.

Charles LaCalle, a resident of Santa Fe’s South Capitol neighborhood, labored hard hoping to rescue the fir tree in his front yard from an aggressive outbreak of the Douglas-fir tussock moth ...

One such pest, the southern pine beetle, is of concern for southeastern states, particularly the Upstate area of South ...

After Steiniger came Dick Bator, who was, to put it mildly, a bit of an eccentric. He took his job so seriously that he had a ...

Once mostly confined to the Pacific Northwest, the Western Conifer Seed Bug (Leptoglossus occidentalis) has worked its way ...

Pine sawflies are invasive bugs that resemble wasps and are taking over pine trees in Washington's Pierce County.

As the state's forests become weakened and stressed, they become more susceptible to insects and disease — even some that, at one time, posed little threat.

This list of stories illustrates the spread of insects like northern giant hornets, the presence of pine sawflies on local trees, and outbreaks of the California fivespined ips beetle in places ...