Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

WISCONSIN (WQOW) - A new invasive species is making its way through the Badger State. The Wisconsin DNR said the elm zigzag sawfly has been detected in at least 17 counties. It's a caterpillar native ...

Please provide your email address to receive an email when new articles are posted on . Oak and maple are the most common trees in North America. Dutch elm disease caused recent backlogs in extract ...

The oldest elm tree in Portland and possibly all of Oregon has suffered a rough 2024 so far — and city officials say they have no choice but to cut it down next month, about 150 years after it took ...