150 BULLETIlSr 143, UNITED STATES NATIONAL MUSEUM 



Wings dark fuliginous; cell 2nd E^ + Ro broadly truncate at the 

 apex; cell R4 almost obsolete; vein M3+4 received by cell R^ at two- 

 fifths the distance between the base and the apex; veins r-m and Rg 

 separated on vein r. 



Female. — Dark ferruginous, sparsely clothed with ferruginous, 

 recumbent pubescence, except broad apical margin of second abdom- 

 inal tergite, and abdominal tergites 3-5 with black pubescence ; head 

 distinctly narrower than the thorax; length, 17 mm. 



Head dark ferruginous, sparsely clothed with recumbent ferru- 

 ginous pubescence and scattered erect hairs; mandibles acute at the 

 apex, unidentate within ; clypeus transversely concave on the cephalic 

 half, glabrous, impunctate, the cephalic margin feebly dentate; 

 caudal half of clypeus finely, confluently punctate, the long, erect 

 pubescence forming a clypeal fringe; scape coarsely, contiguously 

 punctate, sparsely clothed with ferruginous pubescence ; first segment 

 of flagelkim short and broad, one and one-half times as long as it is 

 broad at the apex; antennal scrobes not carinate above; front and 

 vertex with coarse, confluent punctures throughout ; genae with large, 

 contiguous punctures, not as coarsely punctured as the front; relative 

 widths of head and thorax, 10-12. 



Thorax dark ferruginous, sparsely clothed above with recum- 

 bent ferruginous pubescence and scattered, erect hairs; dorsum of 

 thorax very coarsely, deeply and confluently punctured; propleura 

 coarsely, confluently punctate throughout; anterior third of meso- 

 pleura finely, contiguously punctate, the posterior two-thirds very 

 coarsely, confluently punctate; ventral third of metapleura coarsely, 

 confluently punctate, the dorsal third with small separated punctures, 

 the median third with intermixed small and large punctures, clothed 

 throughout with dark, recumbent pubescence; sides of propodeum 

 with coarse, more or less confluent punctures, sparsely clothed with 

 long, ferruginous pubescence; posterior face of propodeum with 

 small, close punctures intermixed with large punctures on the ventral 

 half, the latter sparsely clothed with ferruginous, recumbent pubes- 

 cence, and scattered, long, black, erect hairs; dorsal half of posterior 

 face of propodeum and dorsum of propodeum coarsely, deeply fove- 

 olate, densely clothed with ferruginous pubescence at the junction of 

 the posterior face and the dorsum; scutellar scale present; a some- 

 what sinuate, transverse carina immediately anterior to the scutellar 

 scale. 



Abdomen ferruginous; disk of first tergite glabrous, with a few 

 widely scattered punctures, the apical marginal area confluently 

 punctate, very sparsely clothed with long, erect, dark hairs, a few ; 

 ferruginous ones near the median apical margin, and an apical 



