CHISAGO COUNTY, Minn. (FOX 9) - A scary-sounding insect is helping Minnesota in its battle against one of the worst pests for trees. Emerald ash borers have already invaded millions of trees, but now ...

Adult emerald ash borers (EAB) start emerging in Oregon in early June. However, the majority emerge this month, according to ...

If your ash tree’s canopy is thinning, bark is flaking off in patches, or woodpeckers are suddenly interested in your trunk, ...

The damage is invisible at first, but it doesn’t take long for the leaves to wither, the trunks to weaken, the once-vibrant ...

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The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

The invasive emerald ash borer beetle is killing Oregon’s ash trees. Is there any hope?

New York City’s trees may be in trouble as a result of beech leaf disease, but scientists have developed some ingenious ways to save them.

An ash tree in the Twinbrook area stripped of it leaves by an infestation of Ash sawfly caterpillars. PICTURE: MAL MCCANN The larvae eat their way through ash trees’ leaves before dropping to ...

Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on the eastern hemlock and white ash.

An isolated tree on one of Scotland’s busiest streets is proving how nature can defy the ash dieback disease.

The emerald ash borer eats into the bark of ash trees and leaves D-shaped holes. Debbie Miller / U.S. Forest Service Matt Mills, an emerald ash borer support specialist with the Oregon Department ...