296 Mr. F. Smith uu new Species 



nervures black ; the tegulse testaceous at their outer margins : 

 the calcaria at the apex of the tibia? ferruginous. Abdomen : 

 the margins of the segments constricted ; the apical margins 

 with bright silvery fascia?, which, in certain lights, have a 

 golden tinge more or less brilliant. 

 Hab. Ega. 



Family Bembicidae. 



Genus Bembex, Fabr. 



Bembex albofasciata. 



Male. Length 7^ lines. Black ; the abdomen with six 

 white fascia?, attenuated in the middle, the first slightly in- 

 terrupted. Head : the clypeus, a line at the inner orbit of the 

 eyes, not extending to their summit, a narrow line behind 

 them, the scape of the antenna? in front, the labrum, and 

 mandibles white, the latter black at their tips ; the flagellum 

 pale beneath. Thorax covered with griseous pubescence; 

 the legs white, with a yellow tinge ; the coxa?, trochanters, 

 anterior femora behind, and the intermediate and posterior 

 pairs (except at their apex) black ; the tibia? with a black line 

 behind ; wings hyaline. Abdomen : the first and second fascia? 

 are about the middle of the segments, and the following at their 

 basal margins ; beneath, each segment has an angular spot 

 at its apical margin laterally ; the second segment has a com- 

 pressed tubercle, its margin curved, its apex truncate ; the 

 sixth segment' is subtuberculate. 



Hab. Zulu country. 



Bembex crabroniformis. 



Male. Length 6 lines. Black ; head, thorax, and base of 

 the abdomen thinly covered with erect white pubescence ; the 

 abdomen with six equal yellow fascia?, all slightly interrupted. 

 Head : the base and apex of the scape of the antenna? in 

 front, the anterior margin of the clypeus, the labrum, man- 

 dibles, and a narrow line behind the eyes yellow. Thorax : 

 the posterior margin of the prothorax, a line surrounding 

 the tubercles, and a spot close to the tegula? yellow ; the 

 tips of the femora in front and the tibia? and tarsi yellow ; a 

 black line on the tibia? behind, but only towards the apex of 

 the posterior pair ; wings hyaline. Abdomen : all the fascia? 

 of nearly equal width, their anterior margins slightly waved ; 

 beneath, shining black, with a triangular spot at the side of 

 each segment, at its apical margin a very narrow line emanates 

 from each, but is not continuous to the middle of the segments. 



Hab. Port Essinsrton. 



