SYRPHICI. 47 



Microdon 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 Anim. 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 (J/u/zo). 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- 



mann, 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. 



IMmeraspis Newm. 



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



to Microdon globosus, according to Walker). 



Clirysof oxuiii 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. 



mexic anus Macq. Mexico. Macq. Dipt. Exot. ler Suppl. 123. 



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



Somula 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. 11^ 2, 18, 1. 

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

 N. B. Macquart considers Psarus ornatus Wied. and Chrysotoxum vit- 

 tatum Wied. as identical. 



