610 LIST OF DIPTERA* 



Eristalis aeneus, Fabr. Syst. Antl. 244, 57. Meig. Dipt. iii. 384, 

 2. Macq. Hist. Nat. Dipt. i. 506, 16. Musca melanius ? 

 Harr. Ex. 59, pi. 15,/. 12. Syrphus aeneus, Fabr. Ent. Syst. 

 iv. 302, 88. Panz. Faun. Germ. lxxx. 15. Fall. Syrph. 28, 

 22. Elophilus aeneus, Latr. Gen. Crust, iv. 324. Milesia 

 aenea, Latr. Gen. Crust, iv. 332. 



a. England. 



b. France. 



c. ' ? From Mr. Children's collection. 



Eristalis tenax, Fabr. Syst. AntL 238, 24. Meig. Dipt. iii. 385, 

 4. Macq. Hist. Nat. Dipt. i. 504, 11. Musca tenax, Linn. 

 Syst. Nat. ii. 984. Faun. Suec. 1799. Gmel. Ed. Syst. Nat. 

 v. 2870, 32. Schrank, Faun. Boic. iii. 2427. Harr. Ex. 41, 

 pi. 10, 111,/. 1. Berk. Syn. i. 163. Stew, El. ii. 265. 

 Turt. iii. 641. Don. Brit. Ins. xvi. 66, pi. 574. SAaw, (ren. 

 Zool. vi. 380, jt?Z. 146. Musca, &c, Reaum. Ins. iv. pi. 20, /. 

 8. GeojF. Ins. ii. 520, 52. £c/^Z/. Gen. Mouch. pi. 9, /. I. 

 M. porcina, Deg. Ins. vi. 45, 1. M. arbustorum, Schrank, Ins. 

 Austr. 902. Syrphus tenax, l^a&r. Sp. Ins. ii. 425, 19. Ent. 

 Syst. iv. 286, 36. Panz. Faun. Germ. xiv. 23, 24. Fall. 

 Syrph. 25, 17. Zett. Ins. Lapp. 594, 7. Elophilus tenax, 

 Latr. Gen. Crust, iv. 324. Cons. Gen. 443. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Eristalis similis, Meig. Dipt. iii. 392, 13. Macq. Hist. Nat. Dipt, 

 i. 502, 2, pi. 11,/. 14. Syrphus similis, Fall. Syrph. 25, 

 16, 



a. England. 



b. France. 

 e. ? 



d. ? From Mr. Children's collection. 



Eristalis ridens, n. s., fem. Nigro-ceneus, thoracis vittis quinque 

 pectoreque canis, antennis piceis, pedibus nigro-ceneis, tibiis basi 

 fulvis, tarsis piceis, alis limpidis, 



Body brassy black: head covered with white bloom, clothed 

 with short tawny hairs, and in front with white hairs : feelers pitchy : 

 eyes red, clothed with short pale tawny hairs, covered with nume- 

 rous little pitchy spots : chest clothed with short tawny hairs, 

 adorned with five hoary stripes ; breast hoary : abdomen obconical, 

 hardly broader or longer than the chest, clothed with short tawny 



