The invasive species is capable of “significant defoliation of elm trees,” though its overall impact to forests and urban landscapes is not fully known, according to the release. There are no ...

One tree stands out from its leafy green neighbors. Some of the tree's leaves are missing. Others are brown and eaten away as a result of "skeletonization" from the larger elm leaf beetle.

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 ...

North Carolina's latest invasive species has been found in western North Carolina, the state Department of Agriculture and Consumer Services said. The elm zigzag sawfly was found just north of ...

Two, keep a diversified mix of trees. The DNR said since first observed in Portage County, additional elm zigzag sawflys sightings have been reported in Adams, Brown, Dane, Jackson, Kenosha, La Crosse ...

A Dutch elm tree outside Fintel Library is the largest of its species measured in Virginia, with a trunk that’s almost 21 feet around, stretching about 94 feet up toward the sun.

A few elm zigzag sawfly larvae were first found on trees in early July and were then officially confirmed by the U.S. Department of Agriculture's Animal and Plant Health Inspection Service on July 21.

The researchers analyzed 96 years of forest census data to better understand ecological changes and inform management practices.

Parmenter said he isn’t sure how the elm seed bug reached La Plata County. But Siberian elm trees that produce the seeds the bug eats are a weedy species that is cut for firewood and shipped around.

ODNR said while the species is capable of significant defoliation of elm trees, the overall impact of the species on forests and urban landscapes is not fully known, pending new research.