Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.
Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...
Leaves – simple, deciduous, alternate, about 5″, coarsely doubly serrate, usually scabrous above, and often pubescent below with an inequilateral base. Twigs – slender and zigzag. Buds – 1/4″, acute, ...
The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...
House Digest on MSN
Bark Beetles: What Are They And How You Can Protect Your Tree
If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...
The Department of Environmental Conservation (DEC) just announced that a new invasive insect called the elm zigzag sawfly (Aproceros leucopoda) is threatening New York’s elm trees. The exotic pest was ...
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