hymenoptera. 229 



9. Pelopceus tibialis. B.M. 



Sphex tibialis, Fabr. Ent. Syst. ii. 202. I/. 

 Pepsis tibialis, Fabr. Syst. Piez. 212. 21. 

 St. Fare/. Hym. iii. 323. 24. 



Hab. Cape of Good Hope. 



10. Pelopceus chalybeus. B.M. 



Female. Length 8 lines. — Deep bine : head strongly and 

 closely punctured ; the clypeus convex ; the mandibles and one 

 or two of the basal joints of the flagellum obscurely ferruginous. 

 Thorax : the pro- and mesothorax with a central longitudinal 

 impressed line, sparingly punctured and shining ; wings black, 

 with a violet iridescence ; the metathorax blue-green, closely 

 punctured, the apex rugose. Abdomen smooth and shining. 



The male has the antennse and mandibles black, or the latter 

 very obscurely ferruginous in the middle, the metathorax con- 

 colorous, and the tarsi obscurely rufo-testaceous. 



Hab. Port Natal ; the Gambia. 



11. PELOPa:US FUSCIl'ENNIS. B.M. 



Female. Length 9-J- lines. — Head and thorax black ; the face 

 thinly covered with griseous down and finely punctured; the 

 mandibles, clypeus anteriorly, and the antennae ferruginous; 

 five or six of the a])ical joints of the flagellum black. Thorax : 

 the pro- and mesothorax, as well as the scutellum, shining and 

 sparingly punctured, each having a central depression ; the meta- 

 thorax transversely wrinkled, coarsely so at the apex; wings 

 dark fuscous, with a purple iridescence ; the tegulse violet ; the 

 legs ferruginous, the posterior femora and tibice more or less 

 fuscous above. Abdomen purple, the petiole ferruginous towards 

 the base. 



Hab. Sierra Leone. (The Rev. D. F. Morgan.) 



12. Pelopceus hemipterus. B.M. 



Sphex hemiptera, Fabr. Ent. Syst. Supp. 244. 11. 

 Pelopceus hemipterus, Fabr. Syst. Piez. 204. 7. 



Dahlb. Hym. Europ. i. 23. 4. 



St. Farg. Hym. iii. 311. 10. 



Hab. Isle of France ; Africa. 



13. Pelopceus l^tus. Pl. VIL fig. 1. B.M. 



Female. Length 10-12 lines. — Black : the face densely clothed 

 with golden pile, the head having a thin pale yellow pubescence; 



