Defying its typical seasonal pattern, my beautiful backyard oak tree — which, at over 300-years-old, predates the neighborhood — recently shed its leaves unexpectedly. Upon a thorough evaluation ...

SPRINGFIELD, Mo. (KY3) - While most trees should be pruned before the growing season, American elms and oaks should be pruned after summer. The Missouri Department of Conservation and the University ...

The Mediterranean oak borer leaves small, round holes in the cut face of wood. The Mediterranean oak borer is native to Europe, western Asia and northern Africa. The insect tunnels beneath a tree’s ...

Add Yahoo as a preferred source to see more of our stories on Google. Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees.

Tree limbs and tops began falling off century-old black oak trees on the La Jolla reservation in northern San Diego County around 2014 and nobody knew why. The die off was puzzling and tribal fire ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (FOX 5/KUSI) — An invasive beetle ...

Fungi may help some tree-killer beetles turn a tree’s natural defense system against itself. This fungi-made perfume might explain why bark beetles tend to swarm the same tree. As climate change makes ...