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.

DALLAS, Texas — After standing for decades, the ash tree came down in just a few hours. The 60-foot-tall tree in Norbuck Park was nearly 80 years old, but city officials say it was already dead before ...

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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 ...

Christopher Morris, an urban biologist with Dallas Park and Recreation, holds up a vial containing three emerald ash borer beetles floating in a solution in front of an ash tree that is suffering ...

Scientists at the University of Minnesota published a study in the journal Forests in November 2025 about the potential for fungi to slow the spread of emerald ash borer, a beetle that kills ash trees ...

ITHACA, N.Y. (WBNG) -- Cornell University is developing a new variety of ash tree that could be resistant to a particularly destructive pest. The university is the first propagation center in the ...

The tree-killing emerald ash borer made significant expansion within Fort Collins and in Colorado in 2025. The insect is now found in more than 20 Front Range cities. This year, the borer was found ...

MENOMINEE RESERVATION – For years, the famed tribal foresters of the Menominee Tribe thought they might succeed where all others had failed. The emerald ash borer, first detected near Detroit in 2002, ...

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 ...

The emerald ash borer has brought disappointment and heartbreak for more than two decades over an ever-increasing portion of the United States. For the Menominee Tribe of Wisconsin, the invasive ...

SIOUX FALLS, S.D. (KELO) — It’s been over seven years since the emerald ash borer was discovered in Sioux Falls. If you have ash trees in your yard, now is the time to make a plan for them if you ...