SYRPHICI. 47 



lUici'Odon Illiger. 



Agapenor Walk. Georgia. Walker, List, etc. Ill, 539. 



aurulentus Fab. Carolina. Fabr. Syst. Antl. p. 185, 8 (Mulio). 



Wied. Auss. Zweifl. II, 86, 10. Macq. Dipt. Exot. II, 2, 12, 4, 1. 



Mem. de Lille, 1841, p. 72, tab. ii, fig. 1. 

 fulgens Wied. Georgia (Wied.) ; Guyana (Macq.). Wied. Auss. 



Zweifl. II, 82, 1. Gray, Griffith's Anini. Kingd. Ins. II, tab. cxxv, 



fig. 2 (M. euglossoides, synon. according to Walker). Macq. Dipt. 



Exot. ler Suppl. 122. Mem. de Lille, 1844. Walker, List, etc. Ill, 538. 

 globosus Fab. Carolina (Fab.); Illinois (Walk.). Fabr. Syst. Antl. 



p. 185, 9 (Mulio). Wied. Auss. Zweifl. II, 86, 11. Macq. Dipt. Exot. 



II, 2, 12, 5, tab. i, fig. 4. Mem. de Lille, 1841, p. 72 {Aphritis). New- 



niann, Ent. Mag. V, 373 (Dimeraspis podagra; synonymy according to 



Walker). Walker, List, etc. Ill, 540. 

 rufipes Macq. Philadelphia. Macq. Dipt. Exot. II, 2, 11, tab. ii, 



fig. 3. Mem. de Lille, 1841, p. 71 (Aphritis). 

 trochilus Walk. Mexico. Walker, Dipt. Saund. Ill, 216. 



Dimeraspis Newm. 



podagra Newm. Illinois. Newmann, Entomol. Magaz. V, 372 (syn. 



to Microdon globosus, according to Walker). 



Clsrysotoxum Meig. 



derivatum Walk. Huds. Bay. Walker, List, etc. Ill, 542. 



fasciolatum Deg. Europe (autores) ; Huds. Bay (Walk.). Degeer, 



Meigen, Zetterstedt, etc. Walker, List, etc. Ill, 541. 

 flavifrons Macq. Newfoundland. Macq. Dipt. Exot. II, 2, 17, 2. 



Mem. de Lille, 1841, p 77, 2, tab. iii, fig. 2. 

 nigrita Fabr. Jamaica. Fabr. Entom. Syst. IV, 292, 49 (Syrphus). 



Syst. Antl. p. 183, 1 (Mulio). Wied. Auss. Zweifl. II, 88, 2. 

 vittatum Wied. Country unknown (Wied.); North America (Macq.). 



Wied. Auss. Zweifl. II, 87, 1 (conf. below, Psarus ornatus). 



Mixogaster Macq. 



mexicanus Macq. Mexico. Macq. Dipt. Exot. ler Suppl. 123. 



M6m. de Lille, 1844, p. 251, tab. x, fig. 15. 



Somtftla Macq. 



decora Macq. Philadelphia. Macq. Dipt. Exot. 2e Suppl. 57, 1. 



Mem. de Lille, 1846, p. 73, tab. ii, fig. 11. 



Psarus Latr. 



ornatus Wied. Georgia. Wied. Auss. Zweifl. II, 91, 1, tab. ix, 



fig. 7. Macq. Hist. Nat. Dipt. I, 491, 2. Dipt. Exot. Ilj 2, 18, 1. 

 Mem. de Lille, 1841, p. 78, tab. iii, fig. 3 (Sphecomyia). 

 n. b. Macquart considers Psarus ornatus Wied. and Chrysoloxum vit- 

 tatum Wied. as identical'. 



