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 ...

Devils Lake is preparing for unwelcome visitors in the form of a possible wood-boring insect infestation that could prove ...

Recent media about emerald ash borer has increased the number of questions I’ve received about this borer and if area trees need to be treated now. Recent warm weather has also increased calls about ...

The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...

While Minnesota has been at controlling the spread of the emerald ash borer, in recent years even despite quarantines, it has gotten harder to contain the spread. Credit: Katja Schulz/Creative Commons ...

Evie has an ash tree in her yard that she’s hoping to save from the emerald ash borer. Evie has an ash tree in her yard that she’s hoping to save from the emerald ash borer. A Certified Arborist from ...

Getting your Trinity Audio player ready... A deadly new enemy to Denver’s 330,000 ash trees just moved to town. The emerald ash borer, an invasive insect that’s killed millions of trees across the ...

In 2006, Kathleen Knight was walking through a forest in northwest Ohio. She's a researched ecologist with the U.S. Forest Service. All around her were big, beautiful ash trees, tall trunks with lush ...