256 HTMENOPTEEA. 



13. Hemiteles centralis. 



Hemiteles centralis, Cresson, Proc. Acad. Phil. 1873, p. 174 (?) \ 

 Hab. Mexico, Orizaba 1 (Sumichrast). 



2. Metathorax with tubercles. (Species 14 and 15.) 



14. Hemiteles junctus. 



Hemiteles junctus, Cresson, Proc. Acad. Phil. 1873, p. 174 ( 2 ) \ 

 Hab. Mexico, Cordova 1 (Sumichrast). 



15. Hemiteles scitulus. 



Hemiteles scitulus, Cresson, Proc. Acad. Phil. 1873, p. 174 (?) \ 

 i7«$. Mexico, Cordova 1 (Sumichrast). 



D. Abdomen ferruginous and white. (Species 16 to 19.) 



16. Hemiteles monilis. 



Hemiteles monilis, Cresson, Proc. Acad. Phil. 1873, p. 174 (?) \ 

 Hab. Mexico, Orizaba 1 (Sumichrast). 



17. Hemiteles sulsus. 



Hemiteles sulsus, Cresson, Proc. Acad. Phil. 1873, p. 175 ( ? ) \ 

 Hab. Mexico, Orizaba 1 (Sumichrast). 



18. Hemiteles admirabilis. 



Hemiteles admirabilis, Cresson, Proc. Acad. Phil. 1873, p. 175 ( ? ) 1 . 

 Hab. Mexico, Cordova 1 (Sumichrast). 



19. Hemiteles macula. 



Rufus ; capite, prothorace, mesonoto, mesosterno antennisque, nigris ; annulo antennarum, orbitis, labro, linea 

 pronoti, maculis 2 mesonoti, scutello abdominisque apice, albis ; alis byalinis, medio fusco fasciato, 

 stigmate testaceo. $ . 



Long. 11-12 millim. 



Hab. Mexico, Presidio (Forrer). 



Antennae scarcely so long as the body, somewhat thickened towards the apex, the 

 white ring broad ; the scape whitish in the middle beneath. Head finely rugose, still 

 more finely on the top ; face not projecting much ; the orbits white all round ; the clypeus 

 and lower part of the head together with the mandibles ferruginous. Thorax opaque, 

 closely punctured ; scutellum aciculate, shining, the sides margined towards the base, 

 which is much broader than the apex ; postscutellum very shining ; mesopleura longi- 

 tudinally punctured. Metathorax rugose-striate ; upper transverse keel straight, the 

 lower keel obsolete; tubercles pallid, longer than broad. Petiole and postpeitole 



