If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study from the University of Eastern Finland shows. Led by Dr Samuli Junttila, ...

Bark beetles are important for New Mexico’s forest ecosystems. They usually attack stressed trees, which are then replaced by younger, stronger trees. Defoliators are insects that eat tree needles or ...

BILLINGS -- These are good days if you're a tree-killing bark beetle. In 2007, the native pests ate deeper into the region's drought-weakened forests, choking the life out millions of trees in one of ...

Though the focus of his expertise is firmly rooted underground, Victor Lucero spends many hours each year working for the New Mexico Forestry Division from the air. Every week from mid to late June ...

Adult spruce bark beetles in their galleries in the bark of a Norway spruce tree. The beetle in the middle is infected with the fungus Beauveria bassiana. Spruce bark is rich in phenolic compounds ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger antifungal protections. These stolen defenses help shield the beetles from ...

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 ...