ETJMENES. 6? 



in a marginal cordon, which is preceded by a transverse groove; 



the convexity not divided by a longitudinal furrow. Second 

 segment short above, nearly wider than long ; its posterior border 

 not turned up. The metathorax has its lateral faces plane and 

 obliquely cut. 



Insect black, little or not at all punctured, but smooth, shining, 

 and garnished with a silky pile of gray hair, which gives it a 

 satin-like or silvery appearance. A line on the scape, a little dot 

 on the face, a line behind each eye, posterior border of prothorax 

 along the curve of mesothorax, an interrupted border on the 

 anterior margin of prothorax, two spots under the wings and a 

 point on each side of the summit of the metathorax, anterior 

 border of the scutellum, post-seutel, and border of segments 1, 2, 

 of a sulphur-whitish color, generally a lateral yellow spot smelted 

 with the border of the petiole. Antenna; black, ferruginous 

 beneath. Legs black, the tibice marked with a yellow line. 

 Wings transparent, with the nervures, the costa, and the radial 

 cell brown. Wing scales red or brown; their appendicular scale 

 yellow at the extremity. 



9 . Clypeus margined with yellow on each side. 



Var. Clypeus black ; the scape only tawny beneath. 



£ . Hook of the antennae long and ferruginous. Clypeus black, 

 argenteous. 



Var. a. No spots on the metathorax. The spots of the thorax 

 more or less complete. This part of the body often passing into 

 brown. The flagelluru ferruginous beneath. 



Bab. The gulf side of Mexico. Tampico. Orizaba, Cordova. 



5 9, n. 



2. Thorax short, globular. retiolc somewhat funnel-shaped, 

 much lengthened; 2d segment almost the shape of a globular 

 bell. Body velvety, bristling with hair. 



9. E. vemtricosus Sadss. 



Pachymenes ventricosa Sacss. Vespides, 1, 77, 5, pi. xii, tig. 7. 



Var. a. Second abdominal segment not margined with yellow. 

 b. Wings very dark with brown reflections, 

 Jlab. South America. Sante Fe de Bogota (not Carolin; 

 a false "etiquette" made in print). Venezuela. 



