96 THEREVIDAE. 



TJiereva haemorrhoiclalis Macquart; Dipt. Exot. IT, 1, 26, 9 

 *notata Wiedemann, Dipt. Exot. I, 114, 8; Auss. Zw. I, 2o6, 14 



(Thereva). Georgia. 

 *pictipeimis Wiedemann, Dipt. Exot. 113, 6 (TJiereva); Auss. Zw. I, 



235, 11 (id.). - - Georgia. 



* platancala Loew, Zeitschr. fur Ges. Naturw. Dec. 1876., 321. Texas. 

 *ruflventris Loew, Centur. VIII. 17. -- Nebraska 



*scutellaris Loew, Centur. IX, 74. Distr. Columbia. 

 *Tariegata Loew, Centur. IX, 73. Canada. 



*costalis Loew, Centur. VIII, 1(1 -- California. 



*laeviffata Loew, Zeitschr. fur Ges. Naturw. Dec. 1876, 319. San 



Francisco. 



*longipes Loew, Centur. VIII, 11. - - Cuba. 



nigra Bellardi, Saggio, etc. II, 92 (Dr. Scbiner, in Novara etc. 1^6, 

 identifies this species with one from Chile, but changes the name 

 for P. pmtlioptcra on account of P. nigra Say). - - Mexico. 

 *platycera Loew, Centur. II, 2!/0, line 3 from bottom 



Tltereva laticomis Loew, Centur. VIII, 14. - Cuba [change of 



name by the author]. 



imivittata Bellardi, Saggio, etc. II, 90. - - Mexico. 

 Sumichrasti Bellardi, Saggio, etc. II, 91. - - Mexico. 



Thereva. 



Latreille, Precis etc. 1796; Thereua (Loew). ( 1CR ). 



*alMceps Loew, Centur. IX, 69. - Red River of the North; Lake 



Winnipeg. 



alMfrons Say, J. Acad. Phil. VI, 156; Compl. Wr. II, 353. - 

 Indiana. 



* candidate Loew, Centur. VIII, 10. Northern United States; 



Canada. ('8"). 

 corusca Wiedemann, Auss. Zw. I, 2>2, 7. - - East Florida, 



TJiereva tergissa, Say, J. Acad. Phil. Ill, 39, 1 (Compl. Wr. II, 57). 

 *flavicincta Loew, Centur. IX, 70. Northern Wisconsin River; 



White Mts., N. H. 



frontalis Say, Long's Exped. App. 370; Compl. Wr. I, 252; Wiede- 

 mann, Auss. Zw. I, 230, 2. - - N. W. Territory (Say). 

 *gilvipes Loew, Centur. IX, 71. - - Massachusetts. 

 *strigipes Loew, Centur. IX, 72. - - Lake Winnipsg. 

 ruficornis Macquart, Dipt. Exot. II, 1, 25, 8. - - Carolina. 



*comata Loew, Centur VIII, 9. -- California. 



*fucata Loew, Centur. X, 37. - - California. 



*hirticeps Loew, Berl. Ent. Zool. 1874, 382. -- San Francisco. 



*melanoneura Loew, Centur. X, 36. -- California. 



*melanophleba Loew, Zeitschr f. Ges. Naturw. 1876, 317. -- San 



Francisco. 

 *Yialis 0. Sacken, We tern Dipt. 274. - - Yosemite Valley. Calif. 



