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

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

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

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

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 ...

Occasionally, homeowners will notice small holes in the trunks of landscape trees. This may not mean impending death to the tree, but it’s not good. The presence of holes usually means that an insect ...

The number of conifer trees dying in New Mexico’s forests from bark beetle attacks more than doubled last year to 70,000 acres, especially near burn scars left by wildfires in 2022. Bark beetles ...

It’s easy to understand why some refer to winter as “stick season.” Snow cover, gray skies, and cold temperatures could lead to agreement that there is nothing but sticks to look at in the garden. But ...

PORTLAND, Ore. — On Friday, the Oregon Department of Forestry launched its annual aerial survey of forests throughout the state, something the agency has done since 1947. Over the next few months, ...

Grass and vegetation against the trunk of a stone fruit tree provides a humid and secluded place for female borer moths to lay their eggs. Grass against a trunk also increases the likelihood of string ...