Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.
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 ...
The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...
The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize the state’s elm population. The American elm trees, each about 2 ...
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