106 EMPIDAE. 



*pusilla Loew, Centur. V, 74. - - Illinois. 

 *rapax Loew, Centur. V, 71. - - Illinois. 



*rostrata Loew, Centur. V, 72. - - White Mts., N. H.; New York. 

 similis Walker, List, etc. Ill, 506 (Tacliydromia). - - Huds. B. Terr. 

 Yittipeimis Walker, Trans. Ent. Soc. N. Ser. IV, 149 (Tacltyilroinia). - 



United States. 



*Wiiithemi Zetterstedt, Insecta Lapp 548; Dipt. Scand. I, 321. - 

 Northern Europe; White Mts., N. H. (Found by me on the wuhs 

 of the Half- Way House on Mount Washington). 



Ardoptera. 



Macquart, Dipt, du Nord etc.; 1827. ( 181 ). 



*irrorata Fallen, Meigen, etc.; Walker, Ins. Brit. I, 103, 1; Tah. Ill, 

 f. 5. Europe and North America. [Loew in litt.] 



Synampliotcra. 



Loew, Zeitschr. fiir Ges. Naturw. Vol. XI, 453; 185S; compare also 

 the same, Beschr. Eur. Dipt. II, 255. ( 1! ' 2 ). 



*bicolor Loew, Centur. Ill, 34. Sitka. 



Ilcmcrodromia. 



Meigen, System. Beschr. Hi, 1822. t m ). 



albipes Walker, List, etc. Ill, 505. - - Huds. B. Terr. 

 *tlefecta Loew, Centur. II, 55. - - Distr. Columbia. 

 *uotata Loew, Centur. II, 53. -- Illinois; Pennsylvania. 

 *ol)soleta Loew, Centur. II, 52. Illinois; Maryland. 

 precatoria Meigen, etc. - - Europe and North America Huds. B. Terr. 



according to Walker, List, etc. Ill, 505). 

 *scai>nlaris Loew, Centur. II, 54. Maryland. 

 superstitiosa Say, Long's Exped. App. 376; Compl. Wr. I, 25'i; 

 Wiedemann, Auss. Zw. II, 11 , 1. - - N. W. Territory (Say). C 1 ' 4 ). 

 *valida Loew, Centur. II, 51. -- Huds. B. Teir. 

 *vittata Loew, Centur. II, 50. - - Di&tr. Columbia (Loew); Goat Isl., 



Niagara Falls. 



(?) Ochthem cmpiformi* Say, J. Acad. Phil. Ill, 99; Compl. Wr. II, 

 85; compare Loew, Moiiogr. I, 159. 



Cfliuoccra. 



Meigen, Illiger's Magaz. II, 271; 1803. ( ls5 ). 



*l>inotata Loew, Zeitschr. fur ges. Naturw. 1876, 325. - - New York. 

 *fu.scipennis Loew, Zeitschr. fiir ges. Naturw. 1876, 324. - White 



Mts., N. H. 



*lineata Loew, Centur. II, 50. - - Pennsylvania 

 * simplex Loew, Centur. II, 49. -- Huds B. Terr. 



(?j Heliodromia loiif/ipes Walker, List, etc. Ill, 504. Huds. B. Terr. 

 *conjuncta Loew, Wiener Ent. Moi.atschr. IV, 79. Middle States. 

 *maculata Loew, Wiener Ent. Monatschr. IV, 79. -- Middle States. 



