134 BULLETIN 143, UNITED STATES NATIONAL MUSEUM 



The description of the neotype is as follows : 



Male. — Black, except the second abdominal segment entirely fer- 

 ruginous, and the first abdominal segment dark mahogany red, 

 clothed with sparse, erect, black pubescence, except a pair of ob- 

 scurely defined, subapical areas of the second abdominal tergite with 

 yellowish pubescence. Length, 13 mm. 



Head black, sparsely clothed with long, erect, black pubescence; 

 mandibles tridentate at the apex; clypeus bidentate medially on the 

 cephalic margin; disk of clypeus moderately, shallowly and con- 

 fluently punctate; scape bicarinate beneath, shallowly, confluently 

 punctate and sparsely clothed with long, black pubescence; first seg- 

 ment of flagellum five-sixths as long as the second ; antennal scrobes 

 not distinctly carinate above; front with close, moderate, shallow 

 punctures; vertex and genae with separated, shallow, moderate punc- 

 tures ; relative widths of head and thorax, 7-9. 



Thorax black, sparsely clothed with long, erect, black pubescence; 

 pronotum distinctly emarginate medially on the cephalic margin, 

 the cephalic face of the emargination glabrous, impunctate; prono- 

 tum, mesonotum, scutellum and metanotum with coarse, deep, con- 

 fluent punctures throughout; propleura coarsely^ confluently punc- 

 tate; mesopleura deeply, coarsely foveolate; metapleura coarsely, 

 confluently punctate on the ventral third, glabrous, impunctate on 

 the dorsal two-thirds; sides of propodeum with the narrow anterior 

 margin glabrous, impunctate, the remainder very coarsely foveo- 

 late; posterior face and dorsum of propodeum very coarsely 

 foveolate, anterior half of tegulae setigerously punctate, the posterior 

 half glabrous, impunctate. 



Abdomen, except first and second segments, black; first tergite 

 dark mahogany red, only very slightly constricted subapically, with 

 coarse, close, more or less confluent punctures, the latter larger, and 

 separated on the disk, sparsely clothed throughout with long, erect, 

 black pubescence; second tergite ferruginous, with moderate, elon- 

 gate, close but separated punctures throughout, sparsely clothed with 

 long, erect, black pubescence, except a pair of large, subapical areas 

 with the pubescence yellow, and a thick fringe of long, black 

 pubescence ; tergites 3-6 with very small, distinct punctures, sparsely 

 clothed with long, erect, black pubescence and each with a thick 

 fringe of long, black pubescence; basal third of ultimate tergite 

 with very small, distinct punctures and with long, erect, black 

 pubescence, the pygidial area glabrous, impunctate, and narrow 

 apical margin of ultimate tergite with a distinct fringe of black 

 pubescence; first sternite black, with a distinct, median longitudinal 

 carina, not produced posteriorly, and with large, close punctures, 

 sparsely clothed with long, erect, black pubescence; second sternite 



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