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

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows. Bark beetle-infested spruce trees begin to dry out already before ...

LOWCOUNTRY, S.C. (WCIV) — The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service is asking for the public's assistance in reporting signs of the Asian longhorned beetle, a ...

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave through the towering trunks on their morning routes, and gray squirrels run ...