134 U. S. NATIONAL MUSEUM BULLETIN 216 



middle trochanter of female except sometimes for posterodorsal 

 fuscous mark, middle femur of female at base and on most of under 

 side and apical third, hind trochanter except sometimes for fuscous 

 marks in female, base of hind femur, hind tibia except for blackish 

 base and brownish apex, hind tarsus, apical 0.3 ±, 0.5 ±, and 0.4 ± of 

 first three tergites, respectively, and often apical margin of fourth 

 tergite (especially in males), yellow. In males the hind coxa and 

 femur are often largely yellow. Wings subhyaline, their veins and 

 stigma dark brown. 



Specimens (138 d", 849): From Alabama (Pyriton); Connecticut 

 (Lebanon and Voluntown) ; District of Columbia (Georgetown) ; 

 Georgia (Atlanta) ; Kansas (Lawrence) ; Kentucky (Lexington) ; 

 Maine ("Jackson") ; Maryland (Beltsville, Glen Echo, Plummers 

 Island, Ruxton, and Takoma Park) ; Massachusetts (Woods Hole) ; 

 Michigan (Ann Arbor, Benton Harbor, Dickinson Co., East Lansing, 

 George Reserve in Livingston Co., Hart, Iosco Co., Midland Co., 

 Munroe Co., and St. Joseph); Minnesota (Wabasha); Missouri (Noel 

 and Warrenton) ; New Hampshire (Franconia) ; New Jersey (Fort 

 Lee, Moorestown, Palisades, and "Weymouth"); New York (Bear 

 Mt., Bemus Point, Farmingdale, Ithaca, Millwood, and Pough- 

 keepsie) ; North Carolina (Crabtree Meadows in Yancey Co. at 3,600 

 ft., Hamrick, Linville Falls, north fork of Swannanoa River in the 

 Black Mts., "Scenic Highway in Cumberland Knob Park," and 

 Southern Pines) ; Nova Scotia (Clifton) ; Ohio (Bridgeport, "Dean 

 Forest," "Puritas Springs," and Ross Co.) ; Ontario (Ivy Lea) ; Penn- 

 sylvania (Allegheny Co., Philadelphia, and Valley Forge); Quebec 

 (Lac Mercier); South Carolina (Greenville); Tennessee (Elkmont in 

 Great Smoky Mountains National Park and Lafayette) ; Virginia 

 (Chain Bridge, Falls Church, Galax, Glencarlyn, Great Falls, and 

 "Peconic Springs") ; and West Virginia (Bolivar, Cheat Mt. at 2,000 

 ft., and Kanawha Station). 



Most of the collecting dates are from June 15 to the end of August. 

 Especially early and late dates are: April 27 at Greenville, S. C; 

 May 10 at Noel, Mo. ; May 18 at Atlanta, Ga. ; May 20 at Warrenton, 

 Mo.; May 24 at Lawrence, Kans.; May 28 at Falls Church, Va.; 

 June 1 at Petersburg, Va., and in Cumberland Knob Park, N. C; 

 June 4 at Moorestown, N. J.; June 19 at the George Reserve, Living- 

 ston County, Mich.; September 6 at Riverton, N. J.; September 6 

 and 13 at Takoma Park, Md.; and September 19 at Bolivar, W. Va. 



It is a very common species in the low herbage and underbrush of 

 rich deciduous woods. 



This species is in the Carolinian and Alleghenian faunas. Adults 

 are commonest in July and August. 



