82 HYMEXOPTERA OF AMERICA. [PART I. 



tate) ; no frontal carina. Thorax smaller, a little shorter; the 

 angles of the prothorax not upturned ; the petiole more slender; the 

 second abdominal segment a little shorter and with a less sinuous 

 border. The scutel having about the same punctuations as the 

 rest of the thorax. 



Insect black, clothed with a golden pile; antennae slightly 

 varied with ferruginous beneath ; a yellow line behind the summit 

 of the eyes ; posterior margin of the prothorax and post-scutel 

 marked with a honey-yellow cordon ; anterior border of the pro- 

 thorax on each side a little tawny ; a feeble dot under the wing 

 and the post-tegulaa yellow, as well as a narrow border on all the 

 segments of the abdomen. (The second lamina of the border of 

 the second segment, also yellow.) Wing scale black, bordered 

 with brown. Feet black, tibiae outside and tarsi ferruginous. 

 Wings slightly smoky, stigma opaque. 



Hess. a. diff. — It is larger than E. regulas, the thorax not 

 covered with strong punctures but finely and densely punctured; 

 the end of petiole not so much canaliculate before the margin. 

 It conies quite near E. totonacus, but is a little larger, the thorax 

 more densely punctured ; the scutel not gibbous and not parted. 



Hab. Brazil. 



21. E. cingulatus Fabr. 



Eumenes cinyulata Fabr. S. P., 287, 13 (1804). — Sauss. Vespides, III, 

 151, 41. 



Hab. Cayenne. (Typus Saussurii in mus. Spinolse, Tauri- 

 nensi.) 



22. E. parvulus Sauss. 



Eumenes parvulus Sauss. Vespides, III, 149, 37, pi. viii, fig. 5, 5a (1854). 



Hab. Brazil. (Typus in museo Parisiensi.) 



23. E. pusillus Sauss. 



Eumenes pusillus Sauss. Vespides, III, 149, 38 (1854). 



Hab. Brazil. (Typus in museo Parisiensi.) 



24. E. microscopicus Sauss. 



Eumenes microscopica Sauss. Vespides, I, 72, 62 (1852). 



Hab. Brazil. (Typus in museo Parisiensi.) 



