Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

Bark beetle damage has more than doubled for two consecutive years as warmer winters extend the insects' active season across ...

In Finland, forest stands damaged by the European spruce bark beetle (Ips typographus) tend to concentrate in groups and form clusters, especially in mature Norway spruce forests close to previous ...

Learn more about the chemical arms race between a fungus, a tree, and a beetle.

Mar. 29—Every year, John Formby spends weeks flying in a plane above New Mexico's forests, looking for trees with signs of insect damage and stress from heat and drought. The state forest health ...

Sapsucker feeding leaves rows of holes in tree bark. Are these holes in my trees from pine beetles? What can I do to save trees? If I can’t save them, how long before they need to come out? This ...

Lately, visitors to the Koli National Park have been met with a sight of dead trees in the nature reserve. Global warming is contributing to increasing forest damage in Finland and elsewhere in the ...