122 SYRPHIDAE. ' 



tricliopns Thomson, Eugen. ftesa, 502 (Syrphus). - - California. 

 *tigTina 0. Sacken, Western Dipt, 323. -- California. 



Observation. M. gracilis Meig. and Zf, mactdosus Meig., both Europpnn, 

 are stated to occur in N. America by Mr. Walker, List, etc., Ill, 588 589. Jlr. 

 Verrall informs me that r those two species are synonyms of 31. scalar!* Fab. But 

 Mr. Walker's Syrphus macu/osits has two representatives in the British Museum. 

 both Platijcltiri , one resembling P. iminai-yinuius Zett., the other resembling I. 

 scambus Staeger." 



Platychirns. 



Platyclieims St. Fargeau et Serv. Encycl. Metli. T. X, 513; 1825. 



*hyperboreus Staeger, Groonl. Antl. 362, 30 (Syrphxp); Holmgren, Ins. 

 Nordgroenl. p. 100 (San'Tii). - Greenland (Staeger, Holmgren; 

 Pennsylvania, Virginia, etc. (M. C. Z.). 



Nsiso Walker, List, etc. Ill, 587 (Syrphus). Huds. B Terr. 

 Pacilus Walker, Dipt. Saund. 240 (Syrphns). Compl. Wr. 11,79. (- P1 ). 

 * qmidratus Say, J. Acad. Phil. Ill, 90, 4 (Scaern); Wiedemann, Auss. 



Z\v. II, 135, 32 (Syrplius). - - Atlantic States. 

 Syrphus fuscanipennis Macquart, Dipt. Exot. 5 e Suppl. 95, 58. 

 *peltatus Meigen, System. Beschr. Ill, 334 (Syrphus). Europe; North 

 America (Sitka, according to Loew; Western New York, in M. C. Z.). 



Pjroplaaeiia. 



Schiner, Wiener Ent. Monatschr. IV, p. 213; 1860. 



*ocymi Fabricius, Panzer, Meigen, System. Beschr. Ill, 337 (Xi/rpluts). 

 Europe; North America (Massachusetts, White Mts., N. H., Que- 

 hec; Athabasca Lake, etc.). 



*rosannii Fabricius etc., Meigen, System. Beschr. Ill, 338 (Syrphus). - 

 Em-ope; North America (Massachusetts; White Mts., N. H.). 



Lencozona. 



Schiner, Wiener Ent. Monatschr. IV, 214; 1860. ( 202 ). 



*lucorum Linue, etc., Meigen, System. Beschr. Ill, 313; Tab. 30, f. 27 



(Syrjihttxi; Curtis, Brit Ent. 753 (id.). -- Europe; North America 

 (British Possessions, Quebec). 



Catabomlba. 



0. Sacken, Western Dipt. 325; 1877. ( 20S ). 



*pyrastri Linne, Meigen, etc. (Syrphus); 0. Sacken, Western Dipt., 

 325. Europe; California, Utah, Colorado; also in Chile (according 

 to Mat-quart). 



Si/rjiliitH IrdHxfitfiits Fabricius, Ent. System. IV, 306, 104. 



Syrphus nffiitis Say, J. Acad. Phil. Ill, 93, 9; Compl. Wr. II, 81; 

 Wiedemann, Auss. Z\v. II, 117, 2. - - Arkansas. 



Eupeodcs. 



0. Sacken, Western Dipt., 328; 1877. 



* rolucris 0. Sacken, Western Dipt, 329. California, 'Utah, Colorado. 



