41 



Fannly SYRPHIDAE. 



MIXOGASTER. 



Macqnart Dipt. Exot. II, 2, p. U, 1842. 

 mexicanus Mac-quart, Dipt. Exot. ler Suppl. p. 123 ; Tab. X, fig. 15. Mexico. 



CERATOPHYIA. 



Wiedemann, Anal. Eiit. 1824 ; Auss. Zw. II, p. 79 ; Tab. IX, fig. 5, 1830. 



fuscipennis Macquart, Hist. Nat. Dipt. I, p. 488, 3. Philadelphia. 



Microdon Agapenor Walker, List, etc.. Ill, p. 539. Georgia. [Synonymy 

 in Walker, List, etc., IV, p. 11, 57, where a new generic name, Meso- 

 phila, ia proposed.] 



MICRODON. (1) 



Meigen, Illig. Mag. II, 1803 ; Aphritis Latreille, 1804. 



aurulentis Fahricius, Syst. Antl. p. 185, 8 {MuUo) ; Wiedemann, Auss. Zw. II, 

 p. 86, 10 ; Macquart, Dipt. Exot. II, 2, p. 12, 4; Tab. II, fig. 1 {Aphritis). 

 Carolina (M. C. F. has a specimen ^from Illinois, which may belong 

 here). 



*Caliopterus Loeic, Centur. X, 50. Texas. 



*C0arctatU3 Loew, Centur. V, 47. Distr. Columbia. 



*fulgens Wiedemann, Auss. Zw. II, p. 82, 1 ; Macquart, Dipt. Exot. ler Suppl. 

 p. 122 {Aphritis). Georgia (Wied.) ; Florida ; Guyana (Macq.). 

 Microdon englossoidea Gray, in Griffith's Animal Kingdom; Ins. II ; Tab. 

 125, fig. 2. [Synonymy in Walker, List, etc., Ill, p. 538.] 



*globosU9 Fdbricius, Syst. Antl. p. 185, 9 {Mulio) ; Wiedemann, Auss. Zw. II, 

 p. 86,11; Macquart, Dipt. Exot. II, 2, p. 12, 5 ; Tab. I, fig. 4 {Aphritis). 

 Carolina (Fab.) ; United States. 

 Dimeraspis podagra Newman, Ent. Mag. V, p. 373. [Synonymy in Walker, 

 List, etc.. Ill, p. 540.] 



ruftpes Macquart, Dipt. Exot. II, 2, p. 11 ; Tab. II, fig. 3 {Aphritis). Philadel- 

 phia. 



*tristis Loeio, Centur. V, 45. Virginia (Lw.) ; New York and northward, as 

 far as Mackenzie River. 



EI'L. BUF. SOC. NAT. PCI. (6) NOVEJIBEn, 1873. 



