HYMENOPTERA. 297 



Sect. 2. Abdomen black. 



7. Tachytes Etrusca. B.M. 



Andrena Etrusca, Rossi, Faun. Etrus. ii. 98. 900. t. 6. f. 1 1 , 

 Lyrops Etrusca, lUiff. Ed. Faun. Etrus. ii. 161. 900. 



Latr. Gen. Crust, et Ins. iv. 71- 

 Tachytes Etrusca, Van d. Lind, Obs. ii. 19. 1. 



St. Farg. Hym. iii. 244. 5. 



Dahlb. Hym. Europ. i. 134. 



Lucas, Explo. Sc. Alger, iii. 248. 



Hab. Italy; Albania; Algeria. 



8. Tachytes unicolor. B.M. 



Larra unicolor, Panz. Faun. Germ. 106. 16 ? . 



Dahlb. Exercit. Hym. 55. 6. 

 Tachytes unicolor. Shuck. Foss. Hym. 89. 1. 



Dahlb. Disp. Meth. Sp. Hym. 11. 44; Hym. Europ. i. 129. 



Brulle, Hist. Nat. II. Canar. 91. 54. 



St. Farg. Hym. iii. 240. 1. 



Lucas, Explo. Sc. Alger, iii. 246. 

 Tachytes pompihformis. Van d. Lind, Obs. ii. 21. 5. (var.) 



Wesm. Hym. Foss. Belg. 71. 1. 

 Larra Jm-inii, Drapiez,Ann. Gen. Sc. Phys. Brux. i. 54 . t. 4. f. 7 c? ? 

 Tachytes Jurinii, Van d. Lind, Obs. ii. 24. 8? 



Hab. Britain; France; Italy; Germany; Scandinavia. 



9. Tachytes argentata. B.M. 



Tachytes argentata, Brulle', Exped. Sc. de Moree, iii. 372. 822 S . 



Hab, The Morea ; Albania. 



This is probably the male of T. Etrusca : females received in 

 company with T. argentata, undoubtedly T. Etrusca, have the 

 apical segment covered with golden jnibescence; T. argentata 

 is described as having the apical segment clothed with silvery 

 pubescence. 



Species of Asia. 



Sect. 1. Abdomen red and black. 



10. Tachytes tarsatus. 



Female. Length 6 lines. — Head and thorax black ; the face 

 covered with pale golden pubescence ; the mandibles and palpi 

 ferruginous, tips of the former black ; the thorax and legs covered 

 with a silvery downy pubescence, most dense on the sides of the 



