If you want your ash trees to stand a fighting chance against the emerald ash borer, now through mid-April is the time to treat your trees this invasive pest, say insect and tree experts for the ...

The emerald ash borer has brought disappointment and heartbreak for more than two decades over an ever-increasing portion of the United States. For the Menominee Tribe of Wisconsin, the invasive ...

Native fungi from forests killed emerald ash borers in lab tests, offering a potential new biological tool to slow the invasive pest.

Abilene has 105 ash trees on public property. In the near future, those trees and more will most likely be killed by the life cycle of the invasive emerald ash borer. With the beetle two counties away ...

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

An emerald ash borer larva chews through the cambium layer of an infested ash tree in Armstrong, located in Emmet County. A buildup of feeding tunnels cut off the vascular or “plumbing system" of a ...

The tree-killing emerald ash borer made significant expansion within Fort Collins and in Colorado in 2025. The insect is now found in more than 20 Front Range cities. This year, the borer was found ...

One of the most destructive invasive insects in the United States has been detected in three more Oregon counties this summer, which could be bad news for the state’s ash trees. Federal and state ...

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 ...

Emerald ash borer, an invasive pest, has been discovered in three more counties this summer, according to the Oregon Department of Agriculture and the Oregon Department of Forestry. The beetles have ...

SOUTHWICK — Glowing with a sparkling green iridescent shell, it’s just about the prettiest beetle one might ever see, and it’s a killer…of any ash tree where it lays eggs. “They are here,” said ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...