J. CHKiSTKR BKADLKY. 161) 



8. Face fiuely punctured ; cbeeks and forehead sometimes wrinkled i9). 



Head coarsely punctured. Ferruginous; head, antennse. abdomen and poste- 

 rior legs black, otlier legs brown. Length 10.5 mm. 



iiobiliN Westwood, Brazil. 



9. -Mesonotum not rugose; petiole one and one-luilf times as long as the distance 



from its origin to the scutellum ... (10). 



Mesonotum rugose or rugose-punctured [9a). 



\>(i. .Mesonotum weakly shining, thickly and finely rugose-punctured, also with 

 large irregular sliallow punctures; face weakly swollen, polished, very 

 finely, shailowly and thickly punctured ; foreliead and vertex thickly 

 but rather finely and deeply rugose-punctured. Yellowish-red ; apex 

 of the antenuie, abdomen and hind legs, except the coxse, black. 



Length 9 mm. iniiiiacei Enderlein, Peru. 



Mesonotum strongly rugose; petiole twice as long as the distance from its 

 origin to the scutellum; head with thick but not deep punctures: 

 cheeks with a few punctures. Black; the head and anteniise except 

 the last four segments and the apex of the ninth orange-yellow ; tar.si 

 of all legs and tibiae of the forelegs brown. Length 6 mm. 



hiCns<Jii Enderlein, Ecuador. 



10. Clieeks, forehead and vertex wrinkled; mesonotum with punctures confluent 



mesally ; petiole one and one-half times as long as the distance of its 

 origin from the scutellum. Yellowish-red ; the abdomen and apex of 

 the antennte black ; posterior tibipe and tarsi brown. Length 8 mm. 



pulcherriina Szepligeti, Brazil. 

 Head smooth and polished ; forehead and vertex not wrinkled, but very 

 finely punctured ; face with microscopic scattered punctures; should- 

 ers strongly right angled ; mesonotum smooth, polished, with only 

 minute punctures; petiole finely longitudinally striate. Length 4.5 

 mm longitarsiN Kietfer, Brazil. 



11. Propodeum with a smooth polished area around the petiole 12i. 



Propodeum reticulate around the petiole, except sometimes above it.. • (13). 



12. Entire head and dorsum smooth and polished; petiole rugosely punctured. 



Length 5 mm politst Schletterer, South America. 



Face smooth and polished in front, longitudinally wrinkled toward the eyes 

 and antennae; rest of the head punctured to rugose-punctured ; meso- 

 notum with moderately large, mesally dense punctures; i)etiole smooth 

 and polished. Length 8 ram areolata Schletterer. Brazil. 



13. Tibial spur two-thirds as long as the metatarsus or nearly so • • • -(14). 



Tibial spur not over one-half as long as the metatarsus (20). 



14. Petiole smooth or punctured (15). 



Petiole rugose or striate (18). 



15. Petiole with large isolated punctures (see concolor) (20). 



Petiole smooth and polished 16). 



11). Mesonotum (at least slightly) and scutellum punctured 17). 



Mesonotum smooth, polished ; scutellum wrinkled ; head polished, the sculp- 

 ture obscured by vestituie. Black; the antenna- and legs beyond tlie 

 apex of tlie femora brownish-red. Length 5 mm. 



ciirvipes Taschenberg. Argentine Republic. 



TKANS. AM. ENT. SOC. XXXIV. (22) MAY. 1908. 



