Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in ...

An invasive insect that has caused widespread damage across the U.S. and Canada has now been detected in parts of Maine, prompting action in one Downeast community.

Add Yahoo as a preferred source to see more of our stories on Google. The tree-killing emerald ash borer made significant expansion within Fort Collins and in Colorado in 2025. The insect is now found ...

Springtime will soon be making an appearance across the state of Iowa. The green is a welcome sight as trees bud out across the rural landscape. The tree line isn’t as green as it once was, however.

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 ...

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, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — After 10 years of preparing ...

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 ...

We have been on a two-year treatment schedule to protect our ash trees from emerald ash borer and have been fortunate to keep nearly all the trees growing and healthy. Recently we heard that it was ...

An adult emerald ash borer can be difficult to identify because it looks fairly similar to other species of beetle. David Cappaert Michigan State University The emerald ash borer, an invasive ...