82 U. S. NATIONAL MUSEUM BULLETIN 216 



Los Angeles Co., San Francisco, San Luis Obispo Co., Stanford 

 University, Visalia, Wood Lake in Tulare Co., and Woodland); 

 Colorado (Boulder Co., Fort Collins, and Valmont in Boulder Co.) ; 

 Connecticut (East Hartford and East River); District of Columbia 

 (Washington) ; Florida (Gainesville, Orlando, and Tarpon Springs) ; 

 Georgia (Thomasville) ; Idaho (Bliss); Illinois (Decatur); Indiana 

 (Bloomington, Lafayette, and Spencer) ; Iowa (Ames, Anamosa, 

 Dickinson Co., Luther, Lyon Co., Mitchell Co., and Ruthven); 

 Kentucky (Lexington) ; Louisiana (Opelousas) ; Maryland (Beltsville, 

 Cabin John, Hagerstown, Riverdale, and Takoma Park); Massachu- 

 setts (Amherst, Cohasset, and Readville); Michigan (Delta Co., 

 East Lansing, Grand Rapids, Mecosta Co., Midland Co., Three 

 Oaks, Tuscola Co., and Wayne) ; Minnesota (Fort Snelling, Hennepin 

 Co., Luverne, Mille Lacs Lake near Vineland, Mississippi Bluff in 

 Houston Co., North St. Paul, Polk Co., Sedan, and Yellow Medicine 

 Co.); New Jersey (Clifton, Clementon, Moorestown, Ocean Grove, 

 Riverton and Seaside Park); New York (Babylon, Brooklyn, 

 Flatbush, Hamburg, Ithaca, Lancaster, Montauk Point on Long 

 Island, Orient, Riverhead, Rockaway, Shokan, Staten Island, and 

 Van Cortland Park in New York City) ; North Carolina (Greensboro, 

 Jacksonville, Lake Mattamuskeet in Hyde Co., and Morehead); 

 Ohio (Barberton, Bellefontaine, Cleveland, Columbus, Delaware 

 Co., Hocking Co., Kelleys Island, Middle Bass Island, Montgomery 

 Co., Ottawa Co., Summit Co., and Wooster); Oklahoma (Ardmore 

 and Kenton) ; Ontario (Black Rapids on the Rideau River, Hamilton, 

 Jordan, and Pelee Island); Oregon (Powder River in Baker Co. at 

 3,000 ft.); Pennsylvania (Arendtsville, Crisp in Westmoreland Co., 

 Enola, Highspire, New Cumberland, North East, Oak Station in 

 Allegheny Co., Philadelphia, Pittsburgh, and Spring Brook); Quebec 

 (southern Quebec province) ; Rhode Island (Providence and Westerly) ; 

 South Carolina (Clemson, Greenville, McClellanville, and Venus 

 in Greenville Co.); Texas (Alpine, Brazos Co., Denton, and Jackson- 

 ville); Utah (Black Rock Beach in Wasatch Co., and Salt Lake 

 City); Virginia (Arlington, Charlottesville, East Falls Church, Falls 

 Church, Meadows of Dan in Patrick Co., Mountain Lake Biological 

 Station in Giles Co., Paeonian Springs, Richmond, Rosslyn, Vienna, 

 and Warrenton); Washington (Clarkston, Pullman, and Wawawai); 

 West Virginia (Bolivar); and Wisconsin (Boscobel, Madison, 

 Milwaukee, and Sturgeon Bay). 



Adults occur throughout the growing season. They are particularly 

 common in spring and fall. Unusually early and late seasonal records 

 are: February 18 at Orlando, Fla.; February 19 at Oxnard, Calif.; 

 March 14 at Los Cerritos, Calif.; March 15 at Denton, Tex.; March 

 21 at Tarpon Springs, Fla.; April 10 at Lake Mattamuskeet, N. C. 



