Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper ...

A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

In this edition of ID That Tree, we’re going to introduce you to yet another native Indiana elm found in the far southwest corner of Indiana, and that is winged elm. It’s named for its prominent corky ...

The elm seed bug hasn’t lived in La Plata County for long, but it didn’t struggle to gain a foothold in the region. It is harmless to humans, but it is an invasive species that preys on the seeds of ...

North Carolina's latest invasive species has been found in western North Carolina, the state Department of Agriculture and Consumer Services said. North Carolina's latest invasive species has been ...

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

The elm zigzag sawfly is not a fly, but it is a problem. Since first being found in North America back in 2020, the species has now spread into 15 US states and four Canadian provinces, chomping its ...

FARGO — Fargo city forester Scott Liudahl's job sometimes involves having to cut down trees, but no matter how many times it happens, it still bothers him. "I take it very personally, especially if ...

RENO BOTTOMS - The elm tree that towered over Andy Meier was a survivor. At 37 inches around and about 150 years old, it had so far avoided Dutch elm disease, the fungus that wiped out many of its ...