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

It's the most common tree in Douglas County, but it's also under threat from the mountain pine beetle. As Colorado Gov. Jared ...

Native fungi from forests killed emerald ash borers in lab tests, offering a potential new biological tool to slow the ...

This is because the beetle can break down the plant-derived compounds (phenolic glucosides) via a water-mediated process ...

This month's early cold snap may have killed a few mountain pine beetles, but probably not many, according to a scientist with the U.S. Forest Service. Unseasonably cold weather sometimes is more ...

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

DENVER, Colorado — My big, fragrant Oriental lilies are blooming on the patio. Fortunately, Japanese beetles aren't interested in them. I have very few beetles in my garden. This shows that treating ...

Vast swaths of the ponderosa pine forests that blanket Colorado's Front Range mountains could turn rust-colored and die over ...

Japanese beetles aren’t exactly newcomers. These invasive beetles were first found in the U.S. in the early 20th century, likely arriving as grubs in the soil of iris plants imported from Japan.