Just about a year ago, Bar Harbor arborist Jamie Lambert drove down Indian Point Road and noticed the trees were blonding. It’s the kind of sight that makes an arborist stop his vehicle, which is exactly what Lambert did. Blonding is when the woodpeckers start to remove the outer bark of the tree to go after an insect’s larvae and pupae, so Lambert stopped to confirm what he thought might be happening under the surface of those ash trees: emeral…