HYMENOPTERA. 227 



This species has the head and abdomen violet ; the thorax and 

 legs black, with faint tints of blue ; the metathorax has a deep 

 central longitudinal channel, which is transversely striated : the 

 sides are rugose ; the head, prothorax and wings as in T. ruji- 

 ventris. 



Genus 5. PELOPCEUS. 



Sphex, pt., Linn. Syst. Nat. i. 492 (1761). 

 Pelopceus, Latr. Hist. Nat. Ins. xiii. (1804). 

 Pepsis, pt., Illig. Ed. Faun. Etrus. ii. 94 (1807). 

 Chalybion, Dahlb. Hym. Europ. i. 21 (1845). 



1. Pelopceus spirifex. B.M. 



Sphex spirifex, Linn. Syst. Nat. i. 942. 9. 



Fabr. Ent. Syst. ii. 204. 24. 



Christ. Hym. 303. t. 30. f. 2. 

 Sphex .^gyptia, Linn. Syst. Nat. i. 942. 10 (var.). 

 Pelopceus spirifex, Fabr. Syst. Piez. 202. 1. 



Latr. Gen. Crust, et Lis. iv. 60. 



Pal. de Beauv. Ins. Afric. et Amer. 49. 7- 3. 



Dumeril, Consid. 212. t. 32. f. 5. 



Van d. Lind. Obs. 95. 1. 



Brulle, Exped. Sc. de Moree, iii. 307. 814 ; Hist. Nat. II. 

 Canar. iii. 92. 60. 



Dahlb. Hym. Europ. i. 22. 1, 



St. Farg. Hym. iii. 305. 1. 



Eversm. Bull. Mosc. xxi. 249. 



Lucas, Explo. Sc. Alger, iii. 273. t. 14. f. 10. 



Hab. Europe ; North Africa. 



2. Pelopceus destillatorius. B.M. 



Sphex spirifex, Sulzer, Hist. Ins. t. 27- f. 2 (nee Linn.). 



Sch(Bff. Icon. Ins. Ratisb. t. 38. f. 1. 



Panzer, Faun. Germ. 7^- 15. 

 Pepsis destillatorius, Illig. Ed. Faun. Etrus. ii. 94. 

 Pelopceus destillatorius, Latr. Gen. Crust, et Ins. iv. 60. 2. 



Van d. Lind. Obs. i. 96. 2. 



Dahlb. Hym. Europ. i. 22. 2. 



Eversm. Bull. Mosc. xxi. 249 (1848). 



Hab. France; Italy; Germany; Sicily; Russia. 



