50 SYRPHICI. 



ornata Fabr. North America (Fabr. Wied.) ; Pennsylvania, Missouri 



(musaeum nostrum); Massachusetts (Harris); Guadalupe (Macq.). 



Fabr. Syst. Antl. p. 188, 5. Wied. Auss. Zweifl. II, 106, 4. Macq. 



Dipt. Exot. II, 2, 81, 4, pi. xv, fig. 4. Mem. de Lille, 1841, p. 141. 



Drury, Illustr. II, pi. 37, fig. 6 (Musca virginiensis). Hausm. Ent. 



Bern. II, 67, 10 (Syrphus trifasciatus). Walker, List, etc. Ill, 560 (the 



synonymy is taken from Wiedem.). 



ruficrus Wied. Cuba. Wied. Auss. Zweifl. II, 105, 3. 



verbosa Harris. Massachusetts. Harris, Cat. Ins. Mass. Walker, 



List, etc. Ill, 568 (described). 



Rbingia Scopoli. 

 nasica Say. U. States (Say) ; Massachusetts (Harris Cat.) ; Nova Sco- 

 tia, New York (Walk.). Say, J. Acad. Phil. Ill, 94. Wied. Auss. 



Zweifl. II, 115, 1. Walker, List, etc. Ill, 570. 



Psilota Meig. 



flavidipennis Macq. Philadelphia. Macq. Dipt. Exot. 5e Suppl. 



97, 2. Mem. de Lille, 1855, tab. v, fig. 5. 



Pipiza Fallen. 



buccata Macq. Carolina. Macq. Dipt. Exot. II, 2, 107. Mem. de 



Lille, 1841, p. 167, tab. xviii, fig. 2. 



Oirysogaster Meigen.- 



Antitheus Walk. New York. Walker, List, etc. Ill, 572. 



Apisaon Walk. New York. Walker, List, etc. Ill, 572. 



nitidus Wied. North America. Wied. Auss. Zweifl. II, 116, 1. 



recedens Walk. U. States. Walk. Dipt. Saund. Ill, 228. 



ruficornis Harris. Cat. Ins. Mass. 



Epistroplie Walk. 



conjungens Walk. U. States. Walk. Dipt. Saund. Ill, 242, tab. vi, 



fig. 5. 



Syrplius Lin. 

 adolescens Walk. Huds. Bay, Nova Scotia. Walker, List, etc. Ill, 



584. 



Aesyctes Walk. Huds. Bay. Walk. 1. c. p. 591. 



affinis Say. Arkansas (Say) ; Huds. Bay (Walk.). Say, J. Acad. 



Phil. Ill, 93, 9 (Scaeva). Wied. Auss. Zweifl. II, 117, 2. Walker, 



List, etc. Ill, 581. 



Agnon Walk. Nova Scotia, Huds. Bay. Walker, List, etc. Ill, 579. 



Alcidice Walk. Huds. Bay. Walker, 1. c. p. 579. 



ambiguus Zett. Greenland. Zetterstedt, Ins. Lapponica. Stfeger, 



Greenland's Antliater. 

 americanus Wied. N. America (Wied.) ; Huds. Bay (Walk.). 



Wied. Auss. Zweifl. II, 129, 22. Macq. Dipt. Exot. II, 2, 94, 12. 



Mem. de Lille, 1841, p. 154. Walker, List, etc. Ill, 581. 



