You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash ...

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 ...

In the year since the emerald ash borer was detected in Oregon, questions have been pouring in about what to do if an ash tree becomes infested and is killed by the invasive beetle. Currently, the ...

In 2002 in Michigan, many ash (Fraxinus sp.) trees started to show obvious signs of decline, and after careful inspections, arborists and biologists soon discovered a pest unknown to the U.S. as the ...

Ash trees are dead or dying because of the little iridescent green beetle The emerald ash borer's small size – no bigger than a cooked grain of rice – belies its destructive power. The beetle’s ...

An invasive beetle that has decimated ash trees across the country and in much of North Carolina has been found in Cumberland County, and there's little to nothing officials or property owners can do ...

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 ...

Leaves – deciduous, odd-pinnately compound, 13-17 inches long, tapered, and alternately arranged in 11-17 finely toothed, hairless leaflets; leaflets are 2-4 inches long and ⅝-1 inch wide. Twigs – ...

PORTLAND, Ore. (KOIN) – The Oregon Department of Forestry spent three years collecting more than 900,000 seeds from populations of Oregon ash trees throughout the state. The ODF employees completed ...

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 ...