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 mfo- 

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

 Thorax thinly clothed with hoary 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 tibise beneath. Abdomen : 

 the basal segment with a transverse yellow band attenuated in 

 the middle ; the following segments have a broad biareuate 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, St. Farg. Hym. iii. 271. 8. 

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



30. Bembex tricolor. 



Bembex tricolor, Dahlb. Hym. Europ. i. 180. 

 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 scape 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 eyes 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 tibiaj and tarsi yellow ; the tibise 

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

 ferruginous. Abdomen : all the segments have a narrow biareuate 

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

 following continuous ; beneath, immaculate. 



Hab, Cape of Good Hope. 



