If elm trees are within 50 feet of one another, this fusing is likely. For this reason, when a single tree becomes infected with DED, the fungus can move down the roots into nearby trees.

A invasive wasp from Asia has been discovered in two counties along North Carolina’s Virginia border — and that could mean big trouble for the state’s beloved elm trees, according to the N.C ...

But the tree refused to bloom for one year. The elm attracted moss build-up, became infected with insects and has lost its bark and all its foliage. "Everybody is really bummed about this," said ...