26 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



tubercles are smaller than in B. audax and B. Jortis, but larger than 

 in B. texanus. 



Specimens (27c?', 369): From Florida; Georgia (Pine Mountain in 

 Rabun Co. at 1,400 ft., and Zebulon); Kansas (Baldwin [City]); 

 Maryland (Bowie and Takoma Park); Massachusetts (Duxbury and 

 Woods Hole); Michigan (Ann Arbor); New Jersey (Brown Mills); 

 New York (Essex Co., Ludlowville, and Wayne Co.); North Carolina 

 (Clinton, Raleigh, and Southern Pines) ; Ohio (Put-in-Bay on South 

 Bass Island); Rhode Island (Charlestown) ; South Carolina (Green- 

 viUe); and Virginia (ArUngton, Charlottesville, and Falls Church). 



Collection dates are from mid-spring to mid-fall. A large portion 

 of the specimens was taken in September and October. Unusually 

 early and late dates are: April 14 at 1,400 ft. on Pine Mt., Rabun Co., 

 Ga.; April 16 at Zebulon, Ga.; May 7 at Raleigh, N.C.; May 30 at 

 Falls Church, Va.; and October 31 at Takoma Park, Md., and at 

 Southern Pines, N.C. 



We find the species in open, rather dry habitats, with deciduous 

 trees and bushes. 



This species occurs in the CaroUnian fauna. 



Figures 2, 3. — Localities: 2 (left), Baryceros candidus; 3 (right), B.foriis. 



2. Baryceros fortis (Cresson), new combination 



Figure 330,c 



Mesostenus fortis Cresson, 1878, Canadian Ent., vol. 10, p. 206; 9. Type: 9, 

 New York (Philadelphia). 



Front wing of male 9.0 to 9.5 mm. long, of female 9 to 10 mm. 

 long. Structure similar to that of B. audax except that punctation 

 on mesopleurum and metapleurum is faintly finer and denser, -s^Tinlding 

 on thorax less extensive, and that propodeal tubercles are a little 

 weaker. 



