Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

All of Iowa's 99 counties confirmed having the ash tree-killing insect, emerald ash borer, the Iowa Department of Natural Resources reported Thursday. As one of the most commonly planted street trees ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

FARGO (KFGO) – An insect larva found in Fargo by city forestry staff has been confirmed to be emerald ash borer. It is the ...

The emerald ash borer has been found in all of Iowa's 99 counties. (Photo by Dr. James E. Zablotny/USDA) The emerald ash borer, a non-native, wood boring insect that affects ash trees, has been ...

(NEW YORK) — In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash tree, a cultural keystone species that’s now under ...

On Monday, the Oregon Department of Forestry confirmed that the emerald ash borer has been discovered in three new counties in the Willamette Valley. In the past month, the invasive pest was caught in ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

An invasive beetle species wreaking havoc on trees in Prince George?s County could spread to other parts of Maryland, officials said. The emerald ash borer kills ash trees by feasting on their inner ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.