Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

Waterloo is partnering with the Iowa DNR to replace about half of the trees that were lost to the emerald ash borer in the past decade. The city will be making one type of apple tree and three species ...

The emerald ash borer is deadly to ash trees—and aggravating for homeowners. Here's how to know if your tree has emerald ash borer damage.

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...

One of the three wasp species the state's Division of Forests and Lands uses are tied to a tree during their release so they can emerge in their own time. Earlier this summer, during a scheduled tree ...

James E. Zablotny/USDA APHIS This week, crews removed dozens of infested ash trees in Forest Grove as part of a state plan to slow the spread of the destructive pest. This month, state agencies ...

(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 ...

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 ...

Ash trees in Waco and throughout McLennan County that have survived recent freezes and droughts face a new mortal threat. The emerald ash borer beetle, an invasive species that has killed millions of ...

On an early summer day in 2016, entomologist Jian Duan arrived at a nondescript office building in north Houston to deliver some bad news—and some good. Texas forestry officials had notified Duan a ...

The University of Minnesota announced on Tuesday a new study that found certain fungi in the state can kill the invasive ...