MESOSTENUS. -—~ 227 



mesosternal suture broad, deep. Legs longish ; the hind tarsi broadly in the middle, 

 and the fore legs in front, yellow ; there is a small black mark on the anterior coxa?, 

 a larger one on the middle coxae, and two large black lines on the hind coxae. Areolet, 

 if anything, broader than long; the apical nervure distinct; the recurrent nervure 

 received in the middle. The apex of the wings slightly smoky. 

 A narrowish insect. 



34. Mesostenus stupidus. 



Mesostenus stupidus, Cresson, Proc. Acad. Phil. 1873, p. 159 ( $ ) \ 

 Hab. Mexico, Orizaba l (Sumichrast). 



5. Mesothorax with a central yellow stripe. (Species 35.) 



35. Mesostenus abactus. 



Mesostenus abactus, Cresson, Proc. Acad. Phil. 1873, p. 160 ( ? ) \ 

 Hab. Mexico, Mirador x (Br. Sartorius). 



b. Abdomen wholly or for the greater part reddish. (Species 36 to 45.) 

 . — 36. Mesostenus mexicanus. 



Mesostenus mexicanus, Cresson, Proc. Acad. Phil. 1873, p. 157 ($ ? ) '. 

 Hab. Mexico, Orizaba, Cordova 1 (Sumichrast). 



37. Mesostenus lassatus. 



Mesostenus lassatus, Cresson, Proc. Acad. Phil. 1873, p. 157 ( £ ) *. 

 Hab. Mexico, Orizaba x (Sumichrast). 



38. Mesostenus moratus. 



Mesostenus moratus, Cresson, Proc. Acad. Phil. 1873, p. 158 ( $ $ ) \ 

 Hab. Mexico, Orizaba, Cordova 1 (Sumichrast). 



39. Mesostenus absolutus. 



Mesostenus absolutus, Cresson, Proc. Acad. Phil. 1873, p. 158 (<£ $ )*. 

 Hab. Mexico, Cordova 1 (Sumichrast). 



40. Mesostenus novatus. 



Mesostenus novatus, Cresson, Proc. Acad. Phil. 1873, p. 159 ( ? ) \ 



Hab. Mexico, Mirador 1 (Dr. Sartorius). 



2gg 2 



