74 HYMENOPTERA. 



which are widened at the sides ; the third segment with a narrower 

 fascia and the following of a reddish yellow. 



Male. — Frequently very highly coloured, the yellow markings 

 being of a bright sulphur-yellow, and the clypeus notched at the 

 a])ex ; the thorax ferruginous, the mesothorax stained with black 

 at its basal and apical margins ; the abdomen ferruginous, with a 

 black stain on the second and third segments above ; the colour 

 vai'iable, the thorax being sometimes black above. 



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



153. Odyxerus tropicalis. 



Odynerus tropicahs, Saiiss. Mon. Guepes Sol. 214. 121. t. 19. f. 5. 

 Hab. Abyssinia. 



154. Odynerus fervidus. 



Odynerus fervidus, Sauss. Mon. Guepes Sol. Supp. 288. 174. 

 Hab. Africa. 



155. Odynerus Guerinii. 



Odj-nerus Guerinii, Sauss. Mon. Guepes Sol. 1/6. 68<?. 

 Hab. Africa. 



156. Odynerus tectus. 



Yespa tectus, Fabr. Spec. Ins. i. 466. 48 ; Ent. Syst. ii. 2/4 ; Syst. 

 Piez. 261. 40. 



Oliv. Encycl. Mefh. vi. 690. 10/. 

 Odynerus tectus, Sauss. Mon. Guepes Sol. Supp. 258. 135. 



Hab. Africa. 



157. Odynerus signatus. B.M. 

 Odynerus signatus, Sauss. Mon. Guepes Sol. Supp. 258. 136. 

 Hab. Africa. 



158. Odynerus carinulatus. 



Odynerus carinulatus, Sauss. Mon. Guepes Sol. Supp. 259. 137- 

 t. 14. f. 3, 3 a. 



Hab. Africa. 



159. Odynerus Madura. 



Odynerus Madajra, Sauss. Mon. Guepes Sol. 150. 38. 

 Hab. Madeira. 



