Elm zigzag sawflies can munch on plants beyond their preferred elm trees when foliage isn't available, a new study suggests ...
Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.
It’s a sunny September day in Castine, Maine, and I’m standing in a stranger’s yard debating how best to hug a tree. Not just any tree, but an American elm, a fully mature Ulmus americana. I want to ...
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