HYMENOPTERA. 139 
106. PoMPILUS SUBPETIOLATUS. 
Priocnemis subpetiolatus, Dahlb. Hym. Europ. i. 95. 
Hab. Africa? 
107. PoMPiILUS 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 antennz, tips of the femora, tibia and 
tarsi, ferruginous; the two latter thickly set with short sharp 
spies ; the posterior tibie 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. PompiILus 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 tegule ; 
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 tibie 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 tibize alone having a few very short fine ones. 
Hab. Port Natal; Congo; Sierra Leone. 
110. PompiLus FARINOSUS. B.M. 
Female. Length 63 lines.—Black : the antenne obscure fer- 
ruginous beneath, the mandibles ferruginous at their apex; the 
palpi pale testaceous. Thorax impunctate; the metathorax 
