Add Yahoo as a preferred source to see more of our stories on Google. The tree-killing emerald ash borer made significant expansion within Fort Collins and in Colorado in 2025. The insect is now found ...

Add Yahoo as a preferred source to see more of our stories on Google. The emerald ash borer (Agrilus planipennis) was first identified as an invasive species in the US in 2002. It is now found in over ...

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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 ...

FARGO — A small metallic green pest known for killing hundreds of millions of ash trees in North America has made its way to North Dakota. But Fargo and Moorhead have been preparing for the ...

A Cornell and Nature Conservancy 'Trees in Peril' conservation project is propagating ash trees resistant to emerald ash borer. If successful, the long-term project looks to reintroduce resistant ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

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 ...

Samples for the study were collected by researchers from Penn State, the Forest Service and other partners around the Oregon ash range, extending from California, Oregon and Washington into British ...