American trees are under attack, and it’s by an enemy that’s hard to spot. A tiny invasive pest, considered one of the most ...

Experts say professionally applied chemical treatment is almost certainly effective, and cost can be justified by expense of removal, replacement and time it takes to grow another tree to maturity.

Treatment is a viable option to save trees, and now is the time to decide in Kandiyohi and neighboring counties ...

A free public seminar about tree preservation will be presented from 6:30-7:30 p.m. Wednesday, June 3 at the St. Joseph City ...

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 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 ...

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 ...

This mean, green, tree-destroying machine might be coming to your area — if it isn't already there. The emerald ash borer, native to Asia, was first spotted in the U.S. near Detroit in 2002. It's ...

Officials with the U.S. Department of Agriculture have confirmed a population of emerald ash borers in Wagoner County. State ...

One of the three wasp species the state's Division of Forests and Lands uses are tied to a tree during their release so they can emerge in their own time. Earlier this summer, during a scheduled tree ...