As a parasite infects beech forests in the Eastern United States, a team of researchers is trying to fight back — before it’s too late. By Sophie Hartley Updated June 12, 2024, 10:29 a.m.

Since its discovery in 2012 in a grove above the Grand River, beech leaf disease has decimated large tracts of trees in several Lake County parks, and spread to nine other counties in Northeast ...

Well, well, well, my tree-loving friends. It seems that every month I write about another pernicious pest invading our Pennsylvania and New York forests. This month is no different.

Beech leaf disease is associated with a type of roundworm and can be fatal to trees, especially young ones. Native and ornamental beech trees are susceptible to the disease, which causes leaf ...

“Beach leaf disease just happens to be spreading more quickly,” Halman said. He says it’s caused by nematodes that eat beech leaves and buds, especially on young trees.