North American Hymenoptera. 269 



I am by no means satisfied with the only essential 

 characters I can find of the genera Diplolepis and 

 FiGiTKS. The present species closely resembles the 

 DiPLOLEPis imjpatiens y Nob. The scutel has an indent- 

 afion as in scutellarisj Latr. and some other species. 



2. F. mellijpes. Black ; feet honey-yellow ; wings 



ciliate. 



Inhabits Indiana. 



9 Body black, polished : mouth piceous : antennce a 



little hairy, piceous : wings hairy and ciliate ; more par- 

 ticularly cihate at tip ; nervures piceous : feet honey- 

 yellow, somewhat paler at base and including the coxae. 

 Length one twenty-fifth of an inch. 



Leucospis, Fabr. 



M 

 J 



L, fraterna. $ , Black, varied with yellow j oviduct 

 longer than the abdomen. 



Inhabits Indiana. 



Sody black, densely punctured : head with an obscure 

 silvery reflection before and on the firont in the cavity of 

 the antennae bright green ; vertex varied with obscure 

 violet and greenish : antenna^ basal joint yellow ante- 

 riorly : collar margined each side and behind with yel- 

 low and with a yellow transverse abbreviated line on the 

 anterior middle: thorax with an abbreviated Hne over the 

 wings and a transverse one on the scutel yellow : wings 

 somewhat fuliginous : pleura with an oblique, yellow 

 line over the posterior feet : iergum^ first segment with a 

 dull ferruginous-yellow band at base and a subterminal 

 yellow one ; on the middle of the tergum on each side 

 a transverse yellow spot; a yellow band on the posterior 

 submargin of the penultimate segment ; and a double 



( 



