The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

Like many trees, ash trees undergo leaf shedding each fall and winter. Unlike other trees, ash trees are specifically targeted by a pest: the emerald ash borer. These creatures are emerald ash borers, ...

Getting your Trinity Audio player ready... CARBONDALE — Carl Meinecke sidles up to an ash tree and wraps a tape measure around the trunk, gathering both circumference and diameter in one move.

About 95,000 ash trees live in Portland, and most of them could become infected and die in the next few years with the recent arrival of the emerald ash borer, an invasive, tree-killing pest that’s ...

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 ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...

Did you hear what happened to the wooden car with wooden wheels and a wooden engine? It wooden go. Wood, at least from ash trees, is in excess supply since emerald ash borers have killed hundreds of ...

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.

A tiny beetle known for decimating ash trees throughout North America and Europe has been discovered for the first time in Portland and has spread to new sites in several other counties where the ...

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 ...

Arborist Greg Ranallo and one of the ash trees he has recently treated against the emerald ash borer in Shelburne on Friday, July 19. Ranallo favors treating the trees to curb the spread of the ...