54 



ARCTOPHILA. 



Schiner, Wien. Entom. Mon. IV, p. 215,1880 

 *flagran9 n. sp., see in the Appendix. Colorado Mts. 



PTEROPTILA. 



Loew, Centur. VI, 59, 1865. 



*flecora Loeio, Centur. VI, 59. Cuba. 

 zonata Locw, Centur. VI, 60. Mexico. 



ERISTALIS. 



Latreille, Hist. Nat. des Crust, et des Ins. XIV, p. 303, 1804. 



acutus Fabricius, Syst. Antl. p. 189, 7 {Milesia) ; Wiedemann, Auss. Zw. II, p. 

 110, 8 (id.). Carolina (Wiedemann, 1. c. p. 104, saya that this species is 

 an Eristalis). 

 *aeneU8 Scopoli, Fabricius, Meigen (Syst. Beschr. etc. Ill, p. 384, 2). Europe 

 and North America (common). 

 Eristalis aincerus Harris, Ins. Injur, to Veget. 3d edt, p. 609. [The identity 

 with the European species is acknowledged by Loew, in Sillim Journ., 

 Vol. XXXVII, p. 317.] 

 Eristalis cuprovittatus Wiedemann, Auss. Zw, II, p. 190, 54. 

 albiceps Macquart, Dipt. Exot. II, 2, p. 56, 41. Carolina. 

 *atriceps Loew, Centur. VI, 64. White Mountains, N. H. ; Canada. 

 *Androclus WalJter, List etc. , III, p. 618. British Possessions (Walk.) ; Que- 

 bec ; Western New York ; White Mountains, N. H. 

 f Eristalis Walker, List, etc., Ill, p. 614. 



? Eristalis dimidiatus Walker (non Wiedem.), List, etc., Ill, p. 618. 

 basilarls Macquart, Hist. Nat, Dipt. I, p. 502, 4. North America. 

 *Ba3tardi Macquart, Dipt. Exot. II, 3, p. 35, 7 ; Tab, IX, fig. 1. North America 

 (common everywhere ; as far North as Fort Resolution ; Hud. B. TeTr.). 

 chalepus Walker, Dipt. Saund. Ill, p. 247. Canada. 

 compactus Walker, List, etc.. Ill, p. 619. Hudson Bay Territory. 

 *dimi(liatus Wiedemann, Auss. Zw., II, p. 180,41. North America (common). 

 Eristalis incisuralis Macquart, Dipt. Exot. 4e Suppl., p. 139, 64 ( 2 ). 

 Eristalis Herminieri Macquart, Dipt. Exot. II, 2, p. 55, 38 (" var. of E. sim- 



His ? ") ( 5 ). 

 niger Macquart, Hist. Nat. Dipt. I, p. 505, 15. 

 everes Walker, Dipt. Saund. Ill, p. 246. North' America. 



