Research entomologist Jian Duan cuts away bark from ash trees in search of emerald ash borers, an invasive species that has been killing off the trees. They’re looking particularly for those affected ...

Experts say professionally applied chemical treatment is almost certainly effective, and cost can be justified by expense of ...

The city of Isanti leadership has partnered with researchers to revolutionize the fight against the invasive Emerald Ash ...

According to the Minnesota DNR, Emerald Ash Borer was first discovered in 2009 in Saint Paul. The beetle has now spread to a ...

TOWN OF ERIN -- The thousands of ash trees killed by the emerald ash borer across southern and central Wisconsin have not only become an eyesore, the trees that are still standing have become ...

Abiotic problems can be just as hazardous to plant life as disease and insect pests. Last week I wrote about the widespread concern over fungal rust in ash trees. This week’s popular question focuses ...

Rob Davis is a tree guy. As the Grand Junction City Forester, he knows trees. It’s been a busy summer for him and the crew of arborists and parks workers. Maybe a little busier than usual, thanks to a ...