HYMENOPTERA. 139 



106. POMPILUS SUBPETIOLATUS. 



Priocnemis subpetiolatus, Dahlb. Hym. Europ. i. 95. 

 Hab. Africa? 



107. POMPILUS SIMILIS. 



Sphex similis, Fabr. Ent. Syst. ii. 209. 43. 

 Pompilus similis, Fabr. Ent. Syst. Supp. 246. 2; Syst. Piez. 

 p. 189. 8. 



Hab. Africa. 



108. POMPILUS DECIPIENS. B.M. 



Female. Length 15 lines. Black: the mandibles and palpi 

 dark rufo-piceous ; the antennae, tips of the femora, tibiae and 

 tarsi, ferruginous; the two latter thickly set with short sharp 

 spines ; the posterior tibiae strongly serrated exteriorly ; the 

 claw-joint of the tarsi fuscous; wings yellow, their base and 

 apex fuscous ; the second submarginal cell smaller than the third, 

 which is narrowed towards the marginal ; the first recurrent ner- 

 vure entering the second submarginal cell near its apex ; the 

 head and thorax thinly clothed with black pubescence. Abdo- 

 men smooth and shining, delicately punctured, and slightly pu- 

 bescent at its base. 

 Hab. Port Natal. 



109. POMPILUS EXASPERATUS. B.M. 



Female. Length 8-10 lines. Black : the flagellum yellow, 

 the scape more or less fuscous ; the clypeus, labrum and man- 

 dibles fusco-ferruginous, the latter black at their tips. The 

 mesothorax has a central longitudinal elevated ridge, and its 

 lateral margins are raised, forming an epaulet over the tegulae ; 

 the metathorax transversely rugose-striate ; the wings have the 

 second submarginal cell smaller than the third, both being much 

 narrowed towards the marginal ; the wings are dark brown, and 

 have a blue, or a blue-green, iridescence ; the tibiae and tarsi 

 thickly spinose, the spines short and acute. Abdomen blue or 

 blue-green. 



The male differs in having the legs almost destitute of spines, 

 the posterior tibiae alone having a few very short fine ones. 



Hab. Port Natal ; Congo ; Sierra Leone. 



110. POMPILUS FARINOSUS. B.M. 



Female. Length 6i lines. Black : the antennae obscure fer- 

 ruginous beneath, the mandibles ferruginous at their apex ; the 

 palpi pale testaceous. Thorax impunctate; the metathorax 



