DESCRIPTIONS OF NEW EYMENOPTERA. 431 



sparsely punctured ; the apex brownish. Thorax smooth and shining ; 

 the mesonotum thickly covered with fuscous pubescence ; the scutellum 

 is sparsely punctured ; the post-scutellum has a round fovea on either 

 side at the base. Median segment regularly areolated ; the central 

 area is large and extends to the base ; the basal half of the keels 

 roundly curved ; the narrowed basal part is as long as the apical. 

 Legs yellow, the femora and coxse are fulvous for the greater part ; 

 the basal half of the hinder coxae is black ; the hinder tarsi fuscous. 

 Wings clear hyaline ; the costa and stigma are darker fuscous ; the 

 areolet is appendiculated, the cellule is small, oblique ; the outer 

 nervure is faint. Abdomen smooth and shining ; the petiole is closely 

 punctured to near the apex ; the keels reach to near the middle. 

 ExocHUS XANTHOPus, sp. nov. 



Niger, facie, linea pronoti late, tegulis, scutello, post-scutello macu- 

 laque, 9 . 



Long : 5 m.m. 



Habitat : Simla. 



Antennae black ; the scape yellowish beneath. Head black ; the face, 

 oral region, the inner orbits to near the top and a somewhat triangular 

 mark on the hinder, inner edge of the eyes, lemoii-yellow. Face 

 strongly and distinctly punctured and covered with white pubescence ; 

 the front and vertex smooth and shining. Mandibles and palpi yellow ; 

 mandibular teeth black. Thorax black, smooth and shining ; the edge 

 of the pronotum broadly — more broadly at the apex than at the base, — 

 the tegulse, scutellum, the apical half of the post-scutellum, and a large 

 mark on the mesopleurse in the middle at the base, lemon-yellow. The 

 supramedian area is continued to the base of the segment ; its basal part 

 is obliquely narrowed ; the other arese are clearly defined. Legs clear 

 lemon-yellow, the hinder coxse black. Abdomen smooth and shining ; 

 the basal part of the petiole bears two stout keels. 



ExOCHUS CURVICARINATDS, sp, noV. 



Niger, scutello flavo-lineato ; pedibus flavis, coxis trochanteribusque 

 nigris ; alis hyalinis, nervis stigmateque nigris. $ . 



Long : 6 m.m. 



Habitat : Simla. 



Antennae black ; the scape yellow beneath. Head black ; the face and 

 oral region, the inner orbits to near the lower ocelli and a small oblique 

 conical mark near the top of the eyes on the innerside, lemon-yellow. 



