Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

APPLE VALLEY, Minn. (WCCO) --Emerald ash borers are an invasive, yet common beetle that feeds on and kills ash trees in 40% of Minnesota counties. Apple Valley is one metro community seeing the ...

The large ash tree in our backyard has clearly had problems for years. One large limb died a few years ago, and the crown has been ever-thinner each year. This fall, however, seemingly overnight, a ...

Emerald ash borer has yet to found in Brown County, but the Aberdeen Forestry Department isn't sitting idly by waiting for the insect's inevitable appearance. About 35 to 40% of the boulevard trees in ...

HOLLISTER, Mo. (KY3) - Beneath the serene beauty of the Ozarks, riverfront properties lie a destructive problem: the emerald ash borer. This tiny insect has infected countless ash trees, leaving ...

Q: We have an old green ash tree. About 75 percent of the tree's branches on the north side are dead (brittle and void of leaves). The rest of the branches are healthy. It has good protection from the ...

HAMPTON — Beeds Lake State Park could look much more desolate over the coming months, as most of the ash trees that litter the park will soon be gone. A recent influx of an invasive insect species ...

The emerald ash borer has decimated ash trees in New York, which once comprised 7 percent of the biomass of the state’s forests. In a region of Ulster County stretching from Kingston up to Saugerties ...

Rob Davis is a tree guy. As the Grand Junction City Forester, he knows trees. It’s been a busy summer for him and the crew of arborists and parks workers. Maybe a little busier than usual, thanks to a ...