56 SYRPHICI. 



Dipt. Exot. II, 2, 68. Mem. de Lille, 1841, p. 128, tab. xii, fig. 2 

 (Imatisma, n. gen.). 



pratorum Fab. W. Indies. Fab. Syst. Ent. p. 765, 13. Ent. Syst. 



IV, 286, 31 (Syrphus). Syst. Antl. p. 236, 18 (Eristalis}. 



pumilus Macq. North America. Macq. Dipt. Exot. II, 2, 57, 43. 



Mem. de Lille, 1841, p. 117. 



pterelas Harris. Cat. Ins. Mass. 



saxorumWied. Savannah (Wied.); Huds. Bay (Walk.); Mass. (Har- 

 ris Cat.); Philad. (Macq.). Wied. Auss. Zweifl. II, 158, 9. Macq. 



Dipt. Exot. II, 2, 33, 5. Mem. de Lille, 1841, p. 93. Walker, List, 

 etc. Ill, 617. 



seinicirculus Walk. Honduras. Walker, Dipt. Saund. HI, 249. 



semimetallicus Macq. Nova Scotia, Canada. Macq. Dipt. Exot. 4e 



Suppl. p. 140, 65. Mem. de Lille, 1849, p. 444. 



sincerus Harris. Massachusetts. Harris, Catal. Ins. Mass. Ins. of 



New Engl. p. 488. Walker, List, etc. Ill, 611 (" E. cupreovittatus ? 

 Wied.") 



testaceicornis Macq. Mexico. Macq. Dipt. Exot. 4e Suppl. p. 138, 



62. Mem. de Lille, 1849, p. 442. 



transversus Wied. Nova Scotia, Huds. Bay, Ohio, Trenton Falls, Flo- 

 rida (Walk.); N. America (Wied.). Wied. Auss. Zweifl. II, 188, 



51. Macq. Dipt. Exot. II, 2, 33, 4, tab. ix, fig. 12. Mem. de Lille, 

 1841, p. 93. Walker, List, etc. Ill, 618. 



trifasciatus Sa;v. Indiana. Say, J. Acad. Phil. VI, 165. 



uvarum Walk. Jamaica. Walker, List, etc. Ill, 623. 



vinetorum Fab. West Indies (Fab.); Brazil (Wied. Walk. Macq.); 



Amer. Sept. Cuba (Macq.); Nova Scotia (Walk.). Fab. Syst. Antl. 



p. 235, 13. Ent. Syst. Suppl. p. 562, 27. Wied. Auss. Zweifl. II, 163, 

 15. Macq. 'Dipt. Exot. II, 2, 41, 16. Mem. de Lille, 1841, p. 101. 

 Walker, List, etc. Ill, 623. 



vittatus Macq. North America. Macq. Hist. Nat. Dipt. I, 507, 19. 



Tolucella Geoffr. 

 abdominalis Wied. Cuba. Wied. Auss. Zweifl. if, 196, 2. Macq. 



Dipt. Exot. II, 2, 25, 8. Mem. de Lille, 1841, lere part. p. 85, 8. 



basalis Harris. Cat. Ins. Mass. 



esuriens Fab. West Indies. Fab. Ent. Syst. IV, 281, 10. Syst. 



Antl. p. 226, 9 (Syrphus). Wied. Auss. Zweifl. II, 197, 4. 



evecta Walk. U. States. Walker, Dipt. Saund. Ill, 251. 



fasciata Macq. Carolina. Macq. Dipt. Exot. II, 2, 22, 2. Mem. de 



Lille, 1841, p. 83, tab. v, fig. 2. 



lata Wied. Mexico. Wied. Auss. Zweifl. II, 195, 1. 



marginata Say. Mexico. Say, J. Acad. Phil. VI, 166, 1. 



metallifera Walk. Mexico, Venezuela. Walker, List, etc. Ill, 636. 



mexicana Macq. Mexico. Macq. Dipt. Exot. II, 2, 25, 10. Mem. 



de Lille, 1841, p. 85, tab. v, fig. 3. 

 obesa Fab. South America, West Indies (aut.), Asia, Africa (Macq.). 



Fab. Syst. Ent. p. 763, 5. Ent. Syst. IV, 282, 15. Syst. Antl. 



p. 227, 14 (Syrphus}. Wied. Auss. Zweifl. II, 199, 8. Macq. Hist. 



