A decade after ash dieback was found in the UK, there is still a real threat of importing other diseases with a “similarly devastating” impact, conservationists warn. The disease, which causes leaf ...

It’s a matter of when, not if, the emerald ash borer finds its way into area communities. As recently as Feb. 25, an infestation was reported in the Minneapolis area. The Coulee Region is getting ...

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 ...

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 ...

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 ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...

A Chinese insect that has killed millions of trees in the eastern U.S. and Canada has been confirmed in Superior, the first such infestation in the Northland. City of Superior crews found what they ...

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 ...