hymenoptera. 323 



28. Bembex carinata. B.M. 



Female. Length 7 lines. — Black : the clypeus, labrum, scape 

 in front, and the mandibles, yellow ; the orbits of the eyes rufo- 

 testaceous ; the vertex and cheeks have a long hoary pubescence. 

 Thorax thinly clothed with hoaiy pubescence, which is most 

 dense on the metathorax ; the posterior margin of the scutellum 

 and post-scutellum yellow, sometimes entirely black ; the wings 

 hyaline, the nervures pale ferruginous ; the legs reddish-yellow, 

 with coxae, trochanters and base of the femora black ; a black 

 spot on the anterior and intermediate tibiae beneath. Abdomen : 

 the basal segment with a transverse yeUow band attenuated in 

 the middle ; the following segments have a broad biarcuate band ; 

 beneath black ; the three intermediate segments have an angular 

 yellow spot at their lateral margins. 



The male closely resembles the female, and only differs in 

 having a central longitudinal carina on the second and sixth 

 segments. 



Hab. Cape of Good Hope. 



29. Bembex fuscipennis. 



Bembex fuscipennis, iS^. Farg. Hym. iii. 271. 8. 

 Hab. Cape of Good Hope. (Coll. F. Smith.) 



30. Bembex tricolor. 



Bembex tricolor, Dahlb. Hym. Europ. i. 1 80. 

 Hab. Africa (Cape of Good Hope); Guinea. 



31. Bembex venator. B.M. 



Female. Length 6 lines. — Black : the head and thorax covered 

 with griseous pubescence ; the clypeus, a transverse line above, 

 the sca])e in front, two minute spots in front of the anterior 

 stemma, the labrum and mandibles, yellow ; the tips of the latter 

 ferrugmous ; a bilobed black spot at the base of the clypeus ; 

 the flagellum fulvous beneath ; the outer orbit of the eves yellow ; 

 a yellow stripe on the tegulse and another on each side" of the 

 thorax before the insertion of the wings ; the femora yellow in 

 front towards their apex ; the tibiae and tarsi yellow ; the tibiae 

 have a black stripe outside ; the wings hyaline, their nervures 

 ferruginous. Abdomen : all the segments have a narrow biarcuate 

 fascia, the first widely interrupted, the second sUghtly so, the 

 following continuous ; beneath, immaculate. 



Hab. Cape of Good Hope. 



