The emerald ash borer's larvae attack trees from within. Beech leaf disease from nematodes attack beech trees; Various fungal species plague white pine trees. PAXTON – When it c ...

Entomologists have warned that European sawflies — invasive bugs that resemble wasps — are taking over pine trees in Washington's Pierce County, perhaps most well-known as the home of Mount Rainier ...

Climate change is hampering mountain pine beetle reproduction but also appears to slightly benefit the invasive insect in other ways, new University of Alberta research shows. On an apparent upside ...

The mountain pine beetle is one of the main causes of tree mortality in the pine forests of North America. For example, the insect has killed thousands of acres of pine forest in British Columbia and ...

You may notice a pine sawfly on your pine trees this spring or summer. The pesky creatures are more disturbance than damage, but The News Tribune has gathered advice on what to do about them. A common ...

Add Yahoo as a preferred source to see more of our stories on Google. Close-up of pine needles on ground - Grigory Stoyakin/Shutterstock If you have pine trees in your yard, you know just how many ...

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Georgia forestry officials released a new beetle report showing where destructive pine pest activity is highest this year.

This tree is infected with the fungal pathogen that causes Pine Ghost Canker, which can be fatal for trees. (Akif Eskalen, UC Davis) Fungal pathogens that cause die-back in grape, avocado, citrus, nut ...

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 like ...