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 ...

BRAINERD — An outbreak of emerald ash borer recently found in Crow Wing County was located in southeast Brainerd. And since it’s been found in one location, it’s likely spread — or a threat to spread ...

The emerald ash borer has decimated ash trees in New York, which once comprised 7 percent of the biomass of the state’s forests. In a region of Ulster County stretching from Kingston up to Saugerties ...

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 ...

The City of Denver was put on red alert in June, when the emerald ash borer was identified in the city for the first time, following more than a decade of warnings. The emerald ash borer is an ...

PORTLAND, Ore. (KOIN) – When the emerald ash borer was first found in Forest Grove in June 2022, the Oregon Department of Forestry and the Oregon Department of Agriculture took the discovery very ...

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 ...

The insect threatens the health and survival of the black ash tree. In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash ...

The tiny green insect is likely to tear a path of destruction through Oregon ash, but its late arrival has given the state time to prepare. A couple of weeks ago, Dominic Maze was picking up his kids ...

A Colorado city is fighting to save tens of thousands of its trees from a "devastating" death. But it's not deforestation or wildfires they are up against this time – it's a tiny half-inch-long bug.

CARBONDALE — Carl Meinecke sidles up to an ash tree and wraps a tape measure around the trunk, gathering both circumference and diameter in one move. “Diameter is 17.9 inches,” Carbondale’s town ...

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 ...