292 BULLETIN 143, UNITED STATES NATIONAL MUSEUM 



133. DASYMUTILLA OCYDROME, new species 



Male.— Hesid and thorax black, the abdomen ferruginous, except 

 the first segment, the second sternite and the basal third of the second 

 tergite blackish; front, vertex, dorsum of thorax, abdomen above 

 from base of tergite 2, and apical fringes of sternites 2-6, clothed 

 with fulvous pubescence ; second sternite with a median area of fine, 

 close punctures, each of the latter bearing a fine hair; length, 11 mm. 



Head entirely black; front and vertex clothed with long, sparse, 

 erect, fulvous pubescence; remainder of the head clothed with similar 

 black pubes -ence ; mandibles acute at the apex, bidentate subapically 

 within; anterior margin of clypeus distinctly bidentate medially; 

 clypeus densely punctate; scape bicarinate beneath, densely punctate, 

 clothed with sparse, coarse, black hairs; first segment of flagellum 

 subequai in length to the second; antennal scrobes strongly carmate 

 above; front coarsely, confluently punctate; vertex with large, con- 

 tiguous punctures, not as coarsely sculptured as the front; genae with 

 moderate, shallow punctures; relative widths of head and thorax, 



6.25-6.75. . ^ 



Thorax black; pronotum, mesonotum and anterior margin ol 

 scutellum clothed with long, somewhat appressed, fulvous pubescence, 

 most dense on the mesonotum; cephahc face of pronotum punctate 

 laterally, glabrous, impunctate medially, the medial area very weakly 

 emarginate, if at all, almost evenly rounded into the dorsum; pro- 

 notum, mesonotum, and scutellum very coarsely, deeply, confluently 

 punctate; narrow basal and lateral margins of tegulae setigerously 

 punctate, the tegulae for the most part glabrous, impunctate; pro- 

 pleura with large, close punctures marginally, fine punctures medially ; 

 anterior third of mesopleura with moderate, separated punctures, the 

 posterior two-thirds with very large, deep, contiguous punctures; 

 metapleura glabrous, impunctate, except for a few large punctures 

 ventrally; sides of propodeum coarsely, shallowly, foveately reticu- 

 late; posterior face and dorsum of propodeum coarsely, deeply, 



foveately reticulate. . ^ -. 



Abdomen ferruginous, except the first segment, the second sternite 

 and the basal third of the second tergite dark mahogany red, almost 

 black; apical two-thirds of second tergite, tergites 2-7, and apical 

 frincres of all the sternites, clothed with long, erect, fulvous pubes- 

 cence; first segment nodose, sparsely punctured anteriorly, coarsely, 

 confluently punctured posteriorly, the apical margm with dense, 

 small punctures; second tergite with moderate contiguous punctures 

 laterally at the base and on the broad apical margin, the remainder 

 of the tergite with the punctures distinct and well-separated; ter- 

 mites 2-6 with small, dense punctures; narrow basal area of ultimate 

 tergite punctate and pubescent, the pygidial area, longitudinally 



