HYMENOPTERA. 73 



149. ODYNERUS MINIATUS. 



Odynerus miniatus, Sauss. Mon. Guenes Sol. Sunn. 249. 124. 

 t. ll,f. 6?. 



Ha b. Senegal. 



150. ODYNERUS SENEGALENSIS. 



Odynerus Senegalensis, Sauss. Mon.Guepes So/.219.125.t.l9.f.7. 

 Hab. Senegal. 



151. ODYNERUS COMBUSTUS. 



Male. Length 5 lines. Ferruginous, variegated with yellow 

 spots and bands : the clypeus narrowed in front and bidentate 

 at the apex ; the outer orbit of the eyes, the inner orbits as high 

 as their emargination, the base of the mandibles, the clypeus, 

 and a spot above it and the scape in front, yellow ; the flagellum 

 slightly fuscous above towards the apex. Thorax : the pro- 

 thorax in front, a spot beneath the wings, the tegulse, a line on 

 each side of the scutellum, the post-scutellum, the sides of the 

 metathorax, the coxa? in front, the tips of the femora and the 

 tibiae in front, yellow ; the wings hyaline, with a fuscous stain 

 along the anterior margin of the superior pair. Abdomen : the 

 first, second and third segments with a yellow fascia on their 

 apical margins, the second and third continued beneath; the 

 entire insect closely and rather strongly punctured. 



Hab. Africa (the Gambia). (Coll. F. Smith.) 



In colouring, this species resembles 0. mutatis, but in that 

 species the abdomen is smooth, and its first segment produced 

 in the middle of its apical margin above into an angular shape, 

 which is not the case in the present species. 



152. ODYNERUS INSTABILIS. 



Female. Length 4 lines. Black: the metathorax red; the 

 scape in front, the base and apex of the clypeus, the mandibles, a 

 transverse line on the forehead entering the emargination of the 

 eyes, a line on their inner orbit, and also an elongate spot behind 

 them, yellow; the scape above and the flagellum, fulvous, the latter 

 slightly fuscous above towards the apex ; the mandibles usually 

 more or less ferruginous. The prothorax anteriorly, a spot beneath 

 the wings, the tegulse, scutellum and legs, yellow ; the coxse and 

 tarsi slightly ferruginous ; the wings hyaline, with the anterior 

 margin of the superior pair fuscous ; the metathorax truncate 

 and slightly concave. The first and second segments of the 

 abdomen with a broad yellow fascia on their posterior margins, 



E 



