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 ...
(CBS4) --If you like viewing aspen trees as they make Colorado colorful in the fall, we have good news. But if you like hillside forests of spruce and pine...this may be hard to read. Research from ...
The mass outbreaks of bark beetles observed in recent years have caused shocking amounts of forest damage throughout Germany. As reported by the Federal Statistical Office in July 2022, more than 80% ...
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 ...
A spruce bark beetle infestation that began a few years ago in Southcentral Alaska is spreading in Anchorage, taking out hundreds of acres of trees, arborists and forest scientists say. “We’re cutting ...
An ecologist investigates pest infestation in forests with mixed and monoculture tree stands. In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the ...