The shothole borer is a small beetle that can kill an entire tree by boring round holes the size of the tip of a ballpoint pen into a tree’s bark ... the University of California’s Cooperative ...

The most pervasive is a fungus caused by an invasive beetle species that harmed a California sycamore in front of my home ...

SEQUOIA NATIONAL PARK, California (AP) — High in the evergreen canopy of General Sherman, the world’s largest tree, researchers searched for evidence of an emerging threat to giant sequoias ...

A recent study published in Forest Ecosystems explores how different management strategies affect beetle diversity in spruce plantations severely impacted by bark beetle outbreaks. The research ...