A new disease, named for the tell-tale symptoms that appear on foliage, is killing American beech trees. Beech leaf disease was first spotted in northeast Ohio in 2012 and has since moved into 10 Ohio ...

JR Davis, an arborist with Davey Tree Service in Monroe, talks about tree pruning and common diseases, including a new one likely heading this way.

The beech leaf-mining weevil isn't very big at only two millimetres in length. But Acadia University biology professor Kirk Hillier says it shouldn't be underestimated because of its size.

However, these incredible trees are threatened by beech scale disease, also called beech bark disease (BBD) — a condition that can lead to significant damage or even kill the infected trees.

The beech leaf-mining weevil isn't very big at only two millimetres in length. But Acadia University biology professor Kirk Hillier says it shouldn't be underestimated because of its size. The tiny ...