1901.] NATURAL SCIENCES OF PHILADELPHIA. 219 



Corynura pseudobaccha n. sp. 



cJ*. — Length about 8 mm. ; size and form of C. jueunda, but 

 easily distinguished by its very brilliant golden-green head and 

 thorax; the green of the abdomen also is bright, occupying the 

 sides of the first segment, the bases of the second, third, and most 

 of the fourth and fifth segments. Clypeus very prominent, with 

 large punctures on a shining surface; cheeks and sides of face 

 with short white hair; antennae very long, flagellum ferruginous 

 beneath; tegulas bright reddish-testaceous; wings dusky at tips; 

 nervures and stigma very dark brown; second submarginal cell 

 narrow; femora and tibiie green; knees, ends of tibire and all of 

 tarsi light ferruginous. 



Hab. — Chapada, January and November; 3 d^. 



Corynura semiinarginata n. sp. 



9. — Length about 8 mm.; rather robust, black with green on 

 sides of face, hind edge of mesothorax, scutellum, poslscutellum, 

 upper parts of metathorax, and basal portions of the abdominal 

 segments ; first abdominal segment subpetiolate, decidedly longer 

 than broad, bright ferruginous at its extreme base; antennse dark, 

 scape long, red-brown; wings with the marginal cell and beyond 

 fuliginous, stigma and nervures dark brown ; second submarginal 

 cell not so narrow as in the last species; inner loNAer angle of third 

 submarginal less than a right angle, whereas in pseudobaccha it is 

 quite a right angle : basal area of metathorax with oblique radi- 

 ating striie, and some transverse ones posteriorly, recalling the 

 sculpture of Temnosoma vietallicum ; first abdominal segment with 

 sparse weak punctures, second finely rugulose with close minute 

 punctures ; hind spur of hind tibia pectinate with large teeth. 



Hab. — Chapada, April and November; 2$. Allied to C. agile 

 (Smith). 



Corynura' cliapadicola n. sp. 



?. — Length about 8 mm. ; robust, black, sides of face and hind 

 margin of mesothorax very narrowly dark green ; legs very dark 

 reddish-brown, with the pubescence mostly black or nearly so; 

 abdomen uith the first two segments black, the extreme base of the 

 second green, the remaining segments golden green, largely cov- 

 ered with very fine appressed yellowish pubescence, with black 

 bristles intermixed ; antenniie dark brown, flagellum ferruginous at 



