hymenoptera. 233 



25. Pelopceus flavipes. B.M. 



Spliex flavipes, Fabr. Ent. Syst. ii. 202. 18. 

 Pelopceus flavipes, Fabr. Sysf. Piez. 204. 9. 

 Pelopceus architectus, St. Farg. Hym. iii. 313. 12. 



Hab. North America. 



This species varies in having the apex of the metathorax more 

 or less yellow, and sometimes entirely black ; the latter variety 

 is the P. architectus of St. Fargeau. 



26. Pelopceus Servillei. 

 Pelopceus Servillei, St. Farg. Hym. iii. 313. 13. 

 Hab. New Orleans. 



27. Pelopceus Canadensis. B.M. 



Male. Length 8 lines. — Black : the face clothed with short 

 silvery pubescence; the clypeus produced and notched in the 

 middle ; the tips of the mandibles ferruginous ; the scape yellow. 

 Thorax : a subinterrupted line on the collar, the tegulse, a spot 

 on the scutellum and post-scutellum, and two spots at the apex \ 



of the metathorax, yellow; the metathorax transversely striated, 

 with a deep longitudinal channel in the enclosed portion of the 

 metathorax; the mesothorax finely rugose, running into striae 

 towards the scutellum, over which the striae also run; wings 

 slightly coloured, their tips fuscous, the nervures ferruginous ; 

 the apex of the anterior femora, the tibiae and tarsi, yellow, two 

 or three of the apical joints of the latter fuscous ; the posterior 

 tibiae at their base and the three basal joints of the tarsi yellow. 

 Abdomen : the dilated portion of the petiole yellow on each side. 



Hab. Canada. ' 



28. Pelopceus fistularis. B.M. 



Pelopceus fistularis, Dahlb. Hym. Europ. i. 23. 8. 

 Pelopceus histrio, St. Farg. Hym. iii. 316. 16. 

 Erichs. Faun, et Fl. Brit. Guiana, iii. 588. 



Hab. Brazil; Cayenne. |l 



29. Pelopceus bimaculatus. B.M. 

 Pelopceus bimaculatus, St. Farg. Hym. iii. 319. 19, , 

 Hab. Cayenne; Columbia. 



This is in all probability a variety of P. Jigulus. 



m2 



