The Emerald Ash Bore, after devasting trees in the Midwest is spreading across the country, is expected to spread soon to New Jersey where there are many ash trees particularly in the northwest of the state.
For more information, please see the following:
Emerald Ash Bore Pest Notice from NJ State Forestry Service
A League of Municipalities Magazine Article on the Emerald Ash Bore
Anyone interested in diagnostic assistance can contact the Rutgers Plant Diagnosic Lab, where they are able to examine samples for Emerald Ash Borer. Requestors are asked to contact the Rutgers Plant Diagnostic Lab and will probably be asked to bring sample of the beetle, larvae, and/or sample of symptomatic tissue.