A bite or sting from an insect can be a concern, especially if you're not sure what's caused it or it leads to unexpected or worrying symptoms. Our guide matches photos of stings to the different ...

Some edible wild mushrooms, like hen-of-the-woods and oyster mushrooms, may be easier to identify. However, it’s important to only forage for wild mushrooms if you’ve been properly trained.

The emerald ash borer, an invasive insect that’s killed millions of trees across the United States, was found in several ...

Cicada season may be over, but another pest emerges right after. Here's how to prevent possible bites and rashes from oak ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Galls are abnormal growths and can be caused by a variety of different organisms, including insects and mites, and ...

An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

Idaho residents have a new summer pest to worry about: the elm seed bug (Arocatus melanocephalus). These insects, about 6 mm ...

The easiest sign to know when trees are being attacked is lesions, which are dark spots on the barks of trees. There’s the oak ambrosia, where beetles can get into dead oak trees and live on fungus.

After several years of repeated infestations, the damage becomes too much, and the tree dies. GSOB has already killed tens of thousands of mature oaks across the region. But we can do something about ...