258 BULLETIN 143, UNITED STATES NATIONAL MUSEUM 



Group NOGALENSIS 



Females with the head narrower than the thorax, the thorax sub- 

 hexagonal and longer than broad, scutellar scale present, pygidium 

 longitudinally striate, and middle and hind femora broadly truncate 

 at the apex, the surface of the outer lobe of the truncation sulcate. 

 Males unknown. 



109. DASYMUTILLA NOGALENSIS, new species 



Femcde. — Head and thorax very dark mahogany red, apparently 

 black, clothed with black pubescence; abdomen ferruginous, clothed 

 above and beneath with fulvous pubescence ; pygidium longitudinally 

 striate; intermediate and posterior femora squarely truncate at the 

 apex, the surface of the outer lobe of the truncation sulcate. Length, 

 14 mm. 



Head very dark mahogany red, clothed throughout with long, 

 coarse, black pubescence; mandibles acute at the apex, unidentate 

 within about one-third the distance from the apex to the base; cly- 

 peus bidentate medially on the cephalic margin; anterior half of 

 clypeus glabrous, impunctate, separated from the posterior half by 

 a sinuate elevated carina; narrow area posterior to the carina densely 

 punctate and pubescent, the pubescence forming the clypeal fringe; 

 scape coarsely, shallowly punctate above, clothed with short, coarse, 

 black pubescence; first segment of flagellum twice as long as it is 

 broad at the apex, about as long as segments two and three united; 

 antennal scrobes strongly carinate above; front and vertex very 

 coarsely, confluently punctate; genae with large, more or less con- 

 fluent punctures, but not as coarsely punctured as the front and ver- 

 tex; relative widths of head and thorax, 8.75-9.25. 



Thorax very dark mahogany red, clothed throughout with erect 

 and appressed, coarse, black pubescence; dorsum of thorax conflu- 

 ently foveate; scutellar scale well developed; propleura with large 

 contiguous punctures; anterior half of mesopleura finely punctaie, 

 the posterior half elevated and coarsely punctate; ventral half of 

 metapleura with large, contiguous punctures, the dorsal half glab- 

 rous, impunctate ; sides of propodeum with large, scattered punctures 

 anteriorly, coarsely, and deeply foveate posteriorly; dorsum and 

 posterior face of propodeum deeply, coarsely, foveately reticulate. 



Abdomen ferruginous, clothed above and beneath with long, erect, 

 and appressed, fulvous pubescence, except the disk of the first tergite 

 with sparse, erect, black pubescence; first tergite glabrous, impunc- 

 tate, except the apical margin coarsely, closely punctate ; second ter- 

 gite coarsely, contiguously foveate; tergites 3-5 coarsely and closely 

 punctate ; pygidium longitudinally striate ; first sternite with a prom- 

 inent tooth anteriorly ; second sternite with large, distinct punctures, 



