182 FAMILY EVANIID^. 



Propofleum very finely reticulate, more finely near the lateral edges; liead 

 thickly and finely punctured; niesonotum polished and shiny, the 

 middle piece sparsely and finely punctured, the lateral pieces rather 

 thickly and very finely punctured ; parapsidal and lateral carina^ dis- 

 tinct. Length 4-5 mm rfticulirer Enderlein, Peru. 



6. Face finely and densely punctured. Black. Length 6-7 mm. 



gredleri Schletterei-. Brazil. 

 Face moderately, finely and sparsely punctured, with minute intermediate 

 punctures. Black, except the face, mandihles and anteuiise beneath 

 are pale yellow ; the four anterior legs rusty yellow. 



flavescens Schletterer, Brazil. 



7. Face very finely and moderately closely punctate, temples much more shal- 



lowly puuctate; anterior part of the side of the projjodeum concave, 

 with closely parallel cross-bars; body normal, the middle coxai not 

 placed exceptionally distant from the anterioi-. Eed ; the face, four 

 anterior legs, posterior coxae beneath and trochanters at base yellow; 

 abdomen black ; posterior legs brown. Length 4 mm. 



tascheubergi n. sp., British Guiana. 

 Face less finely and more deeply punctured ; cheeks and temples smooth and 

 polished with a very few minute punctures; anterior part of the side 

 of the propodeum scarcely concave, smooth and polished ; without 

 cross-bars, except along the edge. Eed ; abdomen brown. Length 

 6 mm barticensis n. sp., British Guiana. 



8. Fnrcula with parallel tynes (9). 



Furcula with divergent tynes. • • (10). 



9. (See also /ra<<^rna under 14.) 



Posterior metatarsus shorter than the four lemainiug joints together: longer 

 tibial spur shorter than one-half the length of the metatarsus. Black ; 

 first four antennal joints and the coxse except their apex yellowish- 

 red ; fifth antennal joint and the apex of the petiole white. Length 

 4 mm ociilata Szepligeti, Brazil. 



Posterior metatarsus as long as the remaining four joints together; tibial 

 spur as long as one-half the matatarsus. Ferruginous; face, cheeks, 

 temples and two anterior legs white; petiole pale reddish posteriorly, 

 propodeum darkened, especially posteriorly. Length 4 mm. 



albata Schletterer, Colombia. 



10. Face distinctly punctured (11). 



Face smooth and impunctate; mesonotum smooth and polished with fine 



parapsidal lines. Ferruginous; propodeum black; abdomen and pos- 

 terior legs brown. Length 3-3.5 mm. 



gayi Spinola, Colombia and Argentine subregion. 



11. Face in the middle with a distinct tubercle; head and face very finely and 



shallowly punctured (12). 



Face without a median tubercle; head and face les.s finely punctured. . .(13). 



12. Cheeks smooth, polished and impunctate; antennae inserted far below the 



middle of the eyes; ocelli large and close together; humeral angles 

 rounded ; posterior coxae finely punctate; posterior tibial spur one-half 

 the length of the metatarsus. Black, except the fiist five antennal 

 joints, anterior legs except the tarsi, middle legs except the tibia; and 



