Indian Aculeate Ilymenoptera. 523 



third segments narrowly black or reddish black ; scape of 

 antennae yellowish, flagelliira red ; femora, tibiae, and tarsi 

 of the legs, and sometimes also the coxte and trochanters, red ; 

 the whole insect is more or less covered with short, sparse, 

 greyish pile, which becomes golden on the inside of the 

 posterior tibiae and tarsi. Wings brownish fuscous, shading off 

 gradually into hyaline at apex and along the posterior margin 

 of hind wing ; nervures testaceous, tegulae red. 



(^ . Similar ; the third abdominal segment with two large 

 yellow maculae, the apical joint of the antennae curved. 



Long., ? 23, c^ 18-20 "millim. 



Hab. Mt. Abu ; common. 



Stizus tmperator, sp. n. 



? . Stoutly built ; the vertex of head with a few shallow 

 punctures, and the sides and apex of median segment coarsely 

 but shallowly punctured ; head narrower than thorax ; clypeus 

 rather short, slightly emarginate anteriorly ; labrum, clypeus, 

 and the middle portion of the front above the latter as far as 

 the base of the antennae convex, the sides of the front from 

 the posterior angles of the clypeus to the base of antennae 

 concave ; pronotum very short, median segment short, con- 

 cavo-truncate posteriorly, the sides rounded. Light red, 

 shining ; apex of mandibles and of the third abdominal 

 segment, and the wdiole of the following segments, black ; the 

 tarsi sometimes shaded red and black ; a little short white 

 pubescence on the front and median segment, some golden 

 pile on the inside of the posterior tibiae and tarsi, and a little 

 fuscous pubescence on the apical two abdominal segments. 

 "Wings fuscous, the outer margin of both wings narrowly 

 hyaline ; nervures dark testaceous, tegulae red. 



($ . Similar, the clypeus comparatively longer, the apex of 

 flagellum of antennae slightly curved. 



Long. 18-20 millim. 



Hab. Deesa ; rare. 



Both this species and the last would come into Bingham's 

 key under a new sub-section as follows : — 



A. 



d. Wings narrowly hyaline along outer margin. 



a'. Second abdominal segment yellow coloratus. 



b'. Second abdominal segment red imperator. 



Bemhex irritaia, sp. n. 

 ? . Stoutly built : head smooth, clypeus and vertex \vith 



