The Ips typographus, or larger eight-toothed European spruce bark beetle, is an invasive species Planting of new spruce trees is being banned in parts of East Anglia and South East England as part of ...

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 ...

An Ashland reader recently noticed some curious little, almost lantern-like attachment appearing on her spruce. At first glance, these little cocoons looked like little lanterns in her evergreen.

Spruce trees retain ancient memories of their environment and communicate with one other in the hours preceding a solar eclipse, a new international study suggests. "We now see the forest not as a ...

How trees fare under drought depends heavily on their past experiences. In some cases, adversity breeds resilience: Spruce trees that experience long-term droughts are more resistant to future ...

Loading external pages may require significantly more data usage than loading CBC Lite story pages. Dead spruce trees are cropping up around Prince Edward Island this year, and service companies are ...

Mixtures of different defense substances: Spruce trees require various monoterpenes — typical components of resin — to combat bark beetles and the fungi associated with them. Specific defense: The ...

Firs are medium-altitude trees, with around 40 species found mainly in the temperate regions of the Northern Hemisphere. These trees can grow up to 40 meters tall. Their trunks are straight, and their ...

The name speaks for itself — Sitka Spruce Park on Amaknak Island has dozens of spruce trees, creating a rare forest-like sanctuary. Regional lands are known for their tundra valleys filled with ...