WORTHINGTON — The Emerald Ash Borer is no stranger to southwest Minnesota. Arriving in the 1990s, the insect has been ...

Researchers release parasitic wasps in attempt to slow fast-moving infestation of tree-killing emerald ash borer beetle ...

Emerald ash borers first arrived in Middle Tennessee in 2014 and have spread to at least 66 counties, authorities say.

Foresters are using parasitoids to reduce the spread of the emerald ash borer beetle, following the lead of many states to ...

Oklahoma deploys parasitoid wasps in forests to combat the emerald ash borer, a beetle that’s killing ash trees across the state and the U.S.