104 EMPIDAE, 



*femorata Loew, Centur. II, 35. — Maryland. 



* gracilis Loew, Centur. II, 44. — Pennsylvania. 

 *leiicoi)tera Loew, Centur. II, 43. — Florida. 

 *lutea Loew, Centur. Ill, 83. — Distr. Columbia. 

 ^niacroptera Loew, Centur. Ill, 32. — Distr. Columbia. 



migrata Walker, List, etc. Ill, 491. — Huds. B. Terr. 

 *iiuital)ilis Loew, Centur. II, 40. — Illinois. 

 *iugTiveMtris Loew, Centur. II, 33. — Pennsylvania. 



plebeja Walker, Trans. Ent. Soc. N. S. lY, 148. — United States. 

 *seriata Loew, Centur. V, 63. — White Mts., N. H 

 *testacea Loew, Centur. V, 64. — White Mts., N. H. (the typical spe- 

 cimens are from New Rochelle, N. Y.). 



traiisfug-a Walker, List, etc. Ill, 492. — Huds. B. Terr. 

 *tristis Loew, Centur. V, 62. — White Mts., N. H. 

 *trivittata Loew, Centur. II, 39. — Illinois. 

 *umbrosa Loew, Centur. II, 34. — Illinois. 

 *unicoloi' Loew, Centur. II, 37. — Maryland. 

 *veliitiua Loew, Centur. II, 36. — Distr. Columbia. 



ISormopcza. 



Zetterstedt, Ins. Lapp. 640; 1840. 

 *breTicornis Loew, Centur. V, 65. — Yukon River, Alaska. 



* nigricans Loew, Centur. V, 66. — Yukon liiver, Alaska. 



Olomok 



Meigen, System. Beschr. Ill, 14; 1822. 

 Plitliia Walker, List, etc. Ill, 492. — Trenton Falls, N. Y. [„Is not 

 a Ghma" ; Loew in lift.] 

 *obscnra Loew, Centur. V, 68. — White Mts., N. H. 

 *rufa Loew, Centur. V, 67. — White Mts., N. H. 



Cyrtoraa. 



Meigen, System. Beschr. IV, 1 ; 1824. 

 *femorata Loew, Centur. V, 69. — White Mts., N. H. 

 *lialteralis Loew, Centur. II, 46. — Distr. Columbia. 

 *longipes Loew, Centur. II, 47. — Illinois; Pennsylvania. 

 *pilipes Loew, Centur. II, 48. — Illinois. Vid. Nr. 411. 

 *procera Loew, Centur. V, 70. — Sitka. 



liOptopeza. 



Macquart, Dipt, du Nord etc.; 1827. 

 *flaTipes Meigen, System. Beschr. II, 353. — Europe and North America 

 (Saskatchewan Riv.). 



SECTION TACHYDROMINA. 



Ntilpoii. 



Loew, Neue Beitrixge VI, 34, line 21 from top; also p. 43; 1859. ('"). 



* varipos Loew, Centur. II, 58. — Pennsylvania. 



