Mar. 5—They're flashy, they're hungry, they're relentless, and they're here. The long-expected, long-dreaded arrival of emerald ash borers in Mankato was officially verified in December. When they ...

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 emerald ash borer has been found in all of Iowa's 99 counties. (Photo by Dr. James E. Zablotny/USDA) The emerald ash borer, a non-native, wood boring insect that affects ash trees, has been ...

Throughout this month, K-State’s Division of Facilities will continue removing trees on campus to prevent infestations of ...

MOORHEAD — The emerald ash borer has reached Moorhead. This wood boring insect, native to Asia, has killed hundreds of millions of ash trees throughout 36 states since it was first discovered in the U ...

FARGO — Picture a city in which three-fourths of its trees are standing dead. This bleak vision can become a reality if emerald ash borer continues marching across the Upper Midwest. Abbreviated EAB, ...

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 Fort Worth Botanic Garden is thanking a group of tree specialists for donating their services to protect ash trees in the sprawling garden from the invasive emerald ash borer beetle. The ...

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 ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

The bark of many pines and firs is scale-like, characterized by loonie-sized discs or plates that cover a tree. As these ...