The Minnesota Department of Agriculture today said stingless wasps released in the state in 2011 may be helping to combat emerald ash borer, the Chinese insect that has been destroying ash trees at an ...

One of the three wasp species the state's Division of Forests and Lands uses are tied to a tree during their release so they can emerge in their own time. Earlier this summer, during a scheduled tree ...

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Emerald ash borer larva cut these feeding galleries on the trunk of a dead ash tree in Michigan. corfoto via Getty Images The emerald ash borer (Agrilus planipennis) is a deceptively attractive ...

Up close, the emerald ash borer is a strikingly beautiful insect. It's also a dangerous pest. The metallic green beetles entered the United States from northeast Asia in the 1990s, likely hitching a ...

PORTLAND, Ore. (KOIN) – When the emerald ash borer was first found in Forest Grove in June 2022, the Oregon Department of Forestry and the Oregon Department of Agriculture took the discovery very ...

GREAT RIVER BLUFFS STATE PARK, Minn. - Three years after state and federal officials first released thousands of tiny stingless wasps on an island in the Mississippi River to combat the destructive ...

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 ...

“It is a kind of all-American tree, growing everywhere east of the Rocky Mountains. It is used by most Americans, for sports equipment – baseball bats, tennis racket frames, hockey sticks, bowling ...

Q. I was wondering if any progress has been made to stop the emerald ash borer. A. Yes. The work of researchers across the United States is progressing slowly and carefully. Emerald ash borer has ...

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 ...