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 ...

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 ...

As emerald ash borer (EAB) infestation continues its march across the continent, Don Kinzler shares the distinctive identifying characteristics of an ash tree.

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 ...

HOLYOKE — A small green beetle burrowing in the city’s ash trees is putting them in danger. Officials are actively combating the emerald ash borer, an invasive species. Sometimes trees can be treated, ...

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 ...

Ash trees are dying by the thousands in south-central Minnesota. Chainsaws are roaring as government workers struggle to keep up. And tree experts warn that 2025 will be much worse. St. Clair was the ...

Bark beetle infestation is a leading cause of tree death in the United States, and as the climate warms, trees weakened by drought are more and more susceptible to being taken out by a growing plague ...

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 ...