The newest serious threat to our forests in Pennsylvania is the emerald ash borer. Some experts believe it could wipe out our white ash trees in the next ten years. The following is from the PA DCNR Bureau of Forestry on invasive species:
The emerald ash borer was first identified in North America in southeastern Michigan in 2002. Larvae of the beetle feed in the tissues under the bark of ash trees ( Fraxinus spp.) causing the girdling and death of branches and entire trees. Adults of the species are active from mid-May until September. read more
Another website, Emerald Ash Borer, is dedicated entirely to this invasive pest and provides even more information.
