Spruce bark beetles hijack their host tree’s chemical defenses, transforming them into potent weapons against fungal threats.

Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...

Bark beetles convert spruce tree defenses into more potent antimicrobials to protect themselves, but a fungus can neutralize ...

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 ...

Dead spruce trees are cropping up around Prince Edward Island this year, and service companies are seeing an increase in calls to remove them. Some of the trees are being eaten and killed by the ...

Some trees across Prince Edward Island are dying as the population of spruce bark beetles surges because of stress and damage caused by post-tropical storm Fiona in 2022. Experts say the beetles’ ...