||Elkton and 2 mile North of Charlestown, Cecil County; Frederick, Frederick County; Plummer's Island, Montgomery County; Henson Creek, Oxon Hill, Piscataway Park, P.G. County; 3 mile E. Hurlock, Dor. County; Declaration WMA, Har. County; Warrior Mt. WMA, All. County; 2 mile E. Sweet Air, Balt. County, June 4th; Easten Neck NWR, Kent County. June 8th to September 8th. Occurs in eastern half of U.S. and eastern Canada. Early stages unknown.