The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

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 ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...

In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This past fall, 15 years later, the city cut down its last ash tree. While St. Paul and other more populated cities have been ...

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 ...

James E. Zablotny/USDA APHIS This week, crews removed dozens of infested ash trees in Forest Grove as part of a state plan to slow the spread of the destructive pest. This month, state agencies ...

They’re flashy, they’re hungry, they’re relentless, and they’re here. The long-expected, long-dreaded arrival of emerald ash borers in Mankato was officially verified in December. When they finish ...

WEST LAFAYETTE, Ind. —Since the emerald ash borer’s introduction to the United States at the beginning of the 21st century, forest ecologists and government officials have striven to stem its ...

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 ...

Minneapolis will distribute $8 million to help residents with ash tree removal. But there’s no relief for homeowners who’ve already had trees condemned. Amoke Kubat, pictured in her north Minneapolis ...