An area in Nockamixon State Park in Quakertown is closed due to damage caused by the Emerald Ash Borer, a small beetle that infests and kills ash trees. Here, an infected ash tree’s bark has been ...
Answer: If you have an ash tree, you’ve probably seen the evidence of these ash flowergall mites (Eriophyes fraxiniflora). In case you’ve never noticed them before, the ash flowergall mites (aka ...