A wasp native to Asia was released in CT to turn the tide against emerald ash borer, which kills ash trees. Researchers think it's working.

In the 1970s, tens of thousands of street trees succumbed to Dutch elm disease, which like the ash borer decimated urban forests as it traveled westward from the East Coast to the Great Lakes ...

DNA sequencing shows young trees are more likely to have gene variants that confer partial resistance to a fungus that has been wiping out ash trees across Europe ...

The Minnesota Department of Agriculture has quarantined Carlton County after discovering infestations of an invasive ash-tree killing beetle across the southeastern portion of the county. Even though ...

Twenty larvae are not a big deal. Two thousand larvae kill the tree,” Rutledge said. Since it was first detected in Michigan in 2002, emerald ash borer (EAB) has killed tens of millions of ash ...

Find out about common North American trees with pinnate leaves. Learn how to identify hickory, ash, walnut, black locust, and pecan using this guide.

In some parts of Nashville, Ash trees make up more than 10% of the tree canopy. Unless treated, Emerald Ash Borers will kill all Ash trees before the year 2026, according to the Nashville Tree ...

This undated photo shows the side view of an adult emerald ash borer. The invasive beetle is native to Asia and has killed more than 100 million ash trees in the U.S. since its arrival in 2002.

Emerald Ash Borer moves into Littleton, could destroy 15% of urban canopy in metro area 02:33. Littleton has detected the Emerald Ash Borer in at least one tree in town.