50, 



ASCIA. 



Meigen, Syst. Beschr. Ill, p. 193, 1822. 

 *glol)OSa Walker, List, etc. . Ill, p. 546. Trenton Falls, N. Y. 



SPHEGINA. 



Meigen, Syst. Beschr. Ill, p. 193, 1833. 



*infuscata Loew, Centur. Ill, 23. Sitka. 



*lobata Loew, Centur. Ill, 31. Northern and Middle States; Canada. 



*ruflventris Loeio, Centur, III, 21. New York; White Mts., N. H.; Canada. 



OCYPTAMUS. 



Macquart, Hist. Nat. Dipt. I, p. 554; Tab, XII, fig. 13, 1834; compare also 

 Loew, Dipt. Siidafrico's, p. 293. 



*fuscipeniiis Say, J. Acad. Phil. Ill, p. 100 {Bacclia). United States. 



Ocyptamus fuscipeunis Macquart, Hist. Nat. Dipt. I, p. 554, 2; Tab. 13, 



fig. 13. 

 Syrphus A7nissas Walker, List, etc.. Ill, p. 589. 



*long"iveiitri8 Loeie, Centur. VII, 66. Distr. Columbia. 

 Radaca Walker, List, etc.. Ill, p. 590 {Sy7'phus). Florida. 



*conformi8 Loew, Centur. VII, 67. Cuba. 

 dimidiatus Fabricius, Ent. Syst. IV, p. 310, 118 {Syrphus); Syst. Antl. p. 354 

 35 {Scaeva) ; Wiedeman, Auss. Z\v. II, p. 140, 43. West Indies {Ocypta 

 mus — Verrall in litt.). 

 fuuebris Macquart, Dipt. Exot. II, 3, p. 105 ; Bigot, in Ramon de la Sagra, 

 etc., p. 807. TenerifEa, but more probably America "(Macq.); Cuba" 

 (Bigot). 

 *latiusculus Loew, Centur. VII, 68. Cuba. 

 *scutellatus Loew, Center. VII, 69. Cuba. 



BACCHA. (*) 



Fahricius, Syst. Antl. p. 199, 1805. 



*aurinota {Harris) Walker, List, etc., Ill, p. 548. United States (Massachu 

 setts; White Mts.; New York, etc.). 

 ? Baccha fascipennis Wiedemann, List, etc.. Ill, p. 96. No locality given. 

 Babista Walker, List, etc., Ill, p. 549. Georgia. 

 *COgnata Loew, Centur. Ill, 27. Northern Wisconsin. 



(*) Some of the species put in this genus m;iy belong to Ocyj)tami/s. 



