Tyler Arboretum has a bug problem, and it's wreaking havoc on the public garden's ash trees. The Media nonprofit said the emerald ash borer, an invasive beetle known for its distinctive green coloring ...

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 ...

The emerald ash borer, a small green beetle native to Asia, has been damaging ash trees in the Kansas City area for over a decade. Dr. James E. Zablotny, USDA U.S. Department of Agriculture A tiny ...

British trees are evolving resistance to deadly ash dieback, reveals new research. Natural selection in woodlands is acting to combat the fungal disease that has devastated ash trees across Europe, ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...

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 ...

The large ash tree in our backyard has clearly had problems for years. One large limb died a few years ago, and the crown has been ever-thinner each year. This fall, however, seemingly overnight, a ...

How do you find an insect the size of your fingertip in a densely-packed forest? For Jian Duan, the answer is simple: follow the dead ash trees. On a rainy day in eastern Connecticut, Duan, a federal ...

The emerald ash borer has been killing trees across the U.S. for decades. A hardy parasitic wasp from Russia’s cold Far East could finally do the beetle in. An emerald ash borer, the beetle ...