Genes in green ash trees that may confer some resistance to attacks by the emerald ash borer express themselves only once the tree detects the invasive beetle's feeding, according to Penn State ...

"Lingering ash." That's what the U.S. Forest Service calls the relatively few green and white ash trees that survive the emerald ash borer onslaught. Those trees do not survive by accident, and that ...

Leaves – Similar to Fraxinus americana, but leaflets often narrower and always with some serration; opposite, deciduous, pinnately compound with 7-9 3-4” leaflets; ovate with smooth margin; more or ...

SALISBURY — Pulling back the flaking bark of the green ash tree with the ease of someone peeling an orange, Jay Bolin exposes the evidence he expected to find. “Look at those D-shaped exit holes,” he ...

CHARLOTTE — It's a small, metallic green bug with a voracious appetite for the wood of the ash tree. And after killing tens of millions of trees in nearly two dozen states, the emerald ash borer has ...

The emerald ash borer, an invasive beetle that’s already killed millions of trees across the country, was found in Southeast Portland this summer. Since its arrival in the United States, this tiny ...

Over the past decade, a small insect, the emerald ash borer, has raised havoc with one of the dominant trees in the state, the green ash. Many cities throughout the state, as well as many other states ...

GLOUCESTER COUNTY, Va. (WRIC) — The emerald ash borer, a metallic-green invasive insect, have spread throughout the state over the past 15 years, killing native ash trees in its wake, but efforts are ...

Getting your Trinity Audio player ready... 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.