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 ...

You’re walking along White Rock Creek, surrounded by the dense canopy of green. In that canopy, you see the majestic ash trees. One day, a tree gets removed. Maybe you don’t notice. Then, another gets ...

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 ...

The emerald ash borer has brought disappointment and heartbreak for more than two decades over an ever-increasing portion of the United States. For the Menominee Tribe of Wisconsin, the invasive ...

BEAVER ISLAND, MI – Mature ash still fill the swamps and remain part of the tree canopy on Beaver Island, where the invasive emerald ash borer arrived years after the pest insect had already decimated ...

All of Iowa's 99 counties confirmed having the ash tree-killing insect, emerald ash borer, the Iowa Department of Natural Resources reported Thursday. As one of the most commonly planted street trees ...

The emerald ash borer, an invasive beetle, continues to devastate forests across North America, killing millions of ash trees ...

The insect threatens the health and survival of the black ash tree. In northern Wisconsin, April Stone is carrying on a centuries-old Ojibwe practice of basket making. She uses wood from the black ash ...

WAUSAU, Wis. (WSAW) - The Wisconsin DNR reminds hunters to avoid placing deer stands in or near ash trees as they start scouting properties ahead of the coming deer hunting season. Most ash trees in ...

It kills ash trees when larval beetles burrow into the tree and feed on the growing cambium level of the tree. That action cuts off nutrients to the rest of the tree. The top of the tree usually shows ...

On an early summer day in 2016, entomologist Jian Duan arrived at a nondescript office building in north Houston to deliver some bad news—and some good. Texas forestry officials had notified Duan a ...

A tiny beetle known for decimating ash trees throughout North America and Europe has been discovered for the first time in Portland and has spread to new sites in several other counties where the ...