170 FAMILY EVANIID^. 



17. Forehead not wrinkled, irregularly, rather coaisely, confluently punctured 



on the sides, and minutely in the center ; well separated, moderately 

 large punctures on the mesonotum in front and along the deep j)arap- 

 sidal grooves, fine irregular punctures posteriorly; scutelluni with 

 moderately large separated punctures. Black; the prouotum and 

 mesonotum red ; the anterior legs yellow ; the four posterior legs 

 brown ; the base of the trochanters white. Length 5 mm. 



Evaniella caineroni u. sp., British Guiana. 

 Forehead finely obliquely or arcuately wrinkled; mesonotum finely and 

 sparsely punctate ; parapsidal lines not deep; scutelluni finely punc- 

 tate, the punctures obsolete in the middle. Black ; antennae and legs 

 brown. Length 4 mm tarsaliN Schletterer, Colombia. 



18. Head and dorsum coarsely punctured (see nobilis, 7). 



Head and dorsum finely punctured (19) 



19. Dorsum strongly rugose (see hseiischi, 8) . 



Dorsum with scattered fine punctures and finer ones between. Black. 



Length 5 mm calcarata Schletterer, Colombia, Brazil. 



20. Mesonotum impunctate (21). 



Mesonotum punctured i23). 



21. Petiole smooth or punctured (22 1. 



Petiole longitudinally striate; head finely punctate; scutelluni laterally 



rugose. Black ; anterior legs pale. Length 4 mm. 



minor Schletterer, Brazil. 



22. Petiole smooth, impunctate (see curvipes, 14). 



Petiole with large isolated punctures. Black; the anterior tibiae and tarsi 



brown. Length 5 mm. . ..... .coiK'Olor Tasclienberg, Brazil. 



23. Petiole smooth or punctured , (25;. 



,. ...,0| 



Petiole rugose (24 ). 



24. Coarsely punctate (see nobilis, 7 . 



Head and dorsum finely punctate; humeral angles rounded. Black: an- 

 tennae and the forelegs rusty brown. Length 5-5. ,5 mm. 



cariniilaia Schletterer, British Guiana. 



25. Humeral angles shari i26). 



Humeral angles rounded ; head finely punctate; mesonotum smooth, several 



large shallow punctures in the center. Black. Length 5 mm. 



dispersa Schletterer, Colombia. 



26. Petiole smooth and polished (27). 



Petiole closely punctured. Black; bead, thorax and petiole more or less 



reddish ; four anterior legs pale. Length 6 mm. 



ferruginesceu** Schletterer. Venezuela. 



27. Habitat, Brazilean subregion (28). 



Habitat, Argentinean subregion. Black. Length 5 mm. 



Cllileiisis Spinola, Chile. 



28. Tibial spurs equaling one-half the length of the metatarsus; joint 3 of the 



antennte in the male at lease four times as long as the pedicel, the 

 fourth five time as long. Black; head reddish, four anterior legs 



pale. Length 7 mm j^eiiiiiiata Schletterer, Colombia. 



Tibial sjjur not one-half as long as the metatarsus; joint 3 of the antennsB in 

 the male only three times as long as the pedicel, the fourth tliree to 



