J. CHESTKK BRADLKY. 171 



three and one-half times as long as the pedicel. Black ; thorax ferru- 

 ginous; antennje, four anterior legs and the petiole yellowish. Length 

 4.5-5 mm nana Schletterer, Brazil. 



29. Furcula with distinctly diverging tynes (30). 



Furcula with parallel tynes (33). 



30. Face distinctly punctured (31). 



Face impunctate, carinate in the center and less distinctly so laterally; a 



very strong interautennal process; humeral angles rounded ; nicsono- 

 tum with large separated punctures. Black. Length 11-12 mm. 



tiiK^tipeiinis Cameron, Costa Eica, Panama. 



31. Color chiefly black (32). 



Color entirely rusty red. Length 8 mm lerrii^afiiiea Kiefler, Mexico. 



32. Black; wings hyaline. Length 9.5 mm fascialis Spinola, Mexico. 



Black; face white; wings smoky. Length 11-12 mm. 



albofacialis Cameron, Panama. 



33. Mesonotum smooth and polished, punctured only on the anterior holder, 



sometimes wrinkled laterally but smooth in the middle ....... (34). 



Mesonotum punctured, at least in the middle (35j. 



34. Face impunctate; antero-lateral angles of the mesonotum transversely 



wrinkled with punctures in the wrinkles. Black; anteume pale in 



the middle. Length 6.5 mm. flagellata Schletterer, Mexico. 



Face finely scarry punctate, almost shagreened ; antero-lateral angles of the 

 mesonotum with distinct punctures, among which are minute ones. 



Black. Length 5 ram niaxiniiliana Schletterer, Mexico. 



:;5. Parapsidal grooves distinct (36). 



Parapsidal grooves obsolete ; fac nunctured. Black; pronotum and 



mesothorax red ; antennai ^ '■rochanters and apex of the peti- 



ole white. Length 6.5 mm. .. .t. 4aiiterala Cameron, Panama. 



.36. Longer tibial spur one-half as long as the metatarsus or less i37). 



Longer tibial spur three-fourths as long as the metatarsus; face punctured, 

 not keeled mesally. Black; face white. Length 8 mm. 



albit^pina Cameron. Panama. 



37. Hind coxa? obscurely or finely punctured (38). 



Hind coxte coarsely to rugosely jtunctured (39). 



38. Forehead with a mesal keel, on each side of which it is shagreened ; mesono- 



tum rugosely punctured. Black ; antennai joints 2-4 and apex of the 

 petiole white. Length 7-8 mm. .oriiatiooruis Cameron, Panama. 

 Forehead without a mesal keel, finely punctured, a depression above each 

 antenna; middle of the mesonotum with large punctures, sides shin- 

 ing, aciculated. Thorax, head, scape and feet in part red ; antennai 

 joints 2-4, trochanters and apex of the petiole white ; abdomen black. 

 Length 6.5 mm varii-oriiiK Cameron, Panama. 



39. Mesonotum mesally with large deep puncuires. laterally slightly shagreem d ; 



scutellum rugosely punctured. Black. Jjciigib 7 mm. 



ru;;ifr4»ii»i Cameron, Panama. 

 Mesonotum mesally subcoarsely and sparingly, anteriorly very finely, punc- 

 tate, laterally smooth; scutellum coarsely and rather closely punc- 

 tate; posterior cosaj rugose-punctate above. Black; thorax feirngi- 

 nous. Length 6 mm robuf^ta Schlettei'cr. Mexico. 



TRANS. AM. ENT. SOC. XXXIV. MAY. 1908. 



