HYMENOPTEKA. 449 



62. CERCERIS RAPTOR. B.M. 



Female. Length 4 lines. Black and punctured ; the clypeus, 

 sides of the face, the carina between the antennae, the scape in 

 front, and the mandibles, yellow ; the flagellum fulvous beneath. 

 Thorax : a spot on each side of the collar, another in front of 

 the tegulse, and the post-scutellum, yellow ; the anterior and 

 intermediate femora yellow beneath, except at their base ; the 

 tibiae and tarsi yellow, a black spot at the tip of the posterior 

 tibiae within, and the four apical joints of the tarsi fuscous ; 

 wings hyaline, with a black spot at the apex of the anterior 

 pair. Abdomen : a transverse yellow spot at the base of the 

 second segment ; the third segment yellow, with a deep emargi- 

 nation in front; the fifth segment yellow, with a similar emargi- 

 nation to that of the fifth segment; the third segment beneath 

 yellow at the sides, and the apical margin with a narrow yellow 

 band. 



Hab. West Africa (Whydah). 



This species very closely resembles the C. ornata, but is more 

 deeply punctured, and is at once distinguished by the black spot 

 on the wings : otherwise they approach very closely. 



63. CERCERIS RIGIDA. B.M. 



Male. Length 4 lines. Black : the face below the antennse, 

 the scape in front and the mandibles, yellow ; the scape above 

 and the flagellum rufo-piceous. Thorax and abdomen covered 

 with large deep confluent punctures ; the post-scutellum, a spot 

 on the tegulse in front, and another on each side of the meta- 

 thorax, yellow ; the wings hyaline, with a dark cloud at their 

 apical margins ; the legs yellow, the anterior and intermediate 

 femora with a black stripe at their base above, the posterior 

 femora and tibias black above, with their base and apex rufo- 

 piceous, the posterior tarsi rufo-piceous. Abdomen : the basal 

 segment with a spot on each side, the following segment with 

 an interrupted yellow line on its apical margin, the fourth and 

 fifth usually entire. 



Hab. Port Natal. 



64. CERCERIS LUNIGERA. 



Cerceris lunigera, Dahlb. Hym. Europ. Synop. Spec. i. 499. 

 Hab. Cape of Good Hope. 



65. CERCERIS ALBIFRONS. 



Male. Length 4 lines. Black, closely punctured : the face 



x2 



