102 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



(Moorestown, Seaside Park, and Somerville) ; New York (Chautauqua 

 Co., Farmingdale, Gasport, Ithaca, Lake Sebago in Bear Mountain 

 Park, Long Beach, McLean Reservation in Tompkins Co., Pough- 

 keepsie, Ringwood in Tompkins Co., Sahsbury Center, Shokan, 

 Syi'acuse, Tonawanda Indian Reservation in Erie Co., and lower 

 Westchester Co.); North CaroUna (Crabtree Meadows in Yancey 

 Co. at 3,600 ft.); Ohio (Cleveland and Ellsworth); Ontario (Bells 

 Corners, Gananoque, and Ottawa); Pennsylvania (Bartonsville, 

 Germantown, Gladwyne, Philadelphia, Pittsburgh, Progress, Rox- 

 borough, and Spring Brook); Quebec (Hemmingford, Nominingue, 

 Parke Reserve in Kamouraska Co., and Rigaud); Virginia (Falls 

 Church, Hardscrabble Knob in Augusta Co., Mount Vernon, and 

 Skyline Drive); and West Virginia (Bolivar). 



Dates of collection are mostly in the summer but range from mid- 

 spring to mid-fall. The earliest and latest records are: April 28 

 in Gladwin Co., Mich. ; May 7 at Bath, Mich. ; May 9 at Takoma Park, 

 Md.; September 22 at Bolivar, W. Va.; and September 28 and October 

 2 and 22 at Ann Arbor, Mich. 



Reared specimens include 4 lots reared from Cephus pygmaeus, 

 2 from C. tabidus, 2 from Phlyctaenia tertialis, 1 from Oherea tripunctata, 

 1 from Oherea sp. in raspberry, and 1 from Ulmus. 



This species occurs in the Alleghanian and Carolinian faunas. 



Figures 39, 40. — Localities: 39 (left), Aritranis afabilis; 40 (right), A. byrsina. 



2. Aritranis byrsina, new species 



Front wing 3.8 to 8.3 mm. long; clypeus very wealdy convex, with 

 a median apical point, the apical part of clj^peus impressed on each 

 side of the point so as to accentuate it; thorax elongate; mesoscutum 

 strongly mat aU over, with fuie, rather weak punctures ; apical carina 

 of propodeum smuate, its median part bowed forward, in female 



