100 EMPIDAE. 



Syneches. 



Walker, Dipt. Saund., 165; 1850—56; Loew, Diptemfauna Siidafrika's, 259; 

 Pterospilus Rondani. (^"). 



* alboiiotatns Loew, Ceutur. II, 18. — Distr. Columbia. 

 *piisillns Loew, Centur. I, 25. — New York; Chicago. 

 *riifns Loew, Centur. I, 24. — New York; Chicago. 



* simplex Walker, Dipt. Saund., 165; Tab. V, f. 7 (Syneches). — Atlantic 



States, 

 Si/neches punctipennis v. d. Wulp, Tijdschr. v. Ent. 2<i Ser. II, 1^9; 

 Tab. Ill, f. 18-21 [Loew , Zeitschr. f. Ges. Naturw. Vol. XXXVII, 115]. 

 *thoracicus Say, J. Acad. Phil. Ill, 76, 1; Compl. Wr. II, 68 (Hijhos); 

 Wiedemann, Auss. Zw. I, 538, 3 (id.); Macquart, Dipt. Exot. I, 

 2, 156, 1 ; Tab. XIII, f. 1 (id.). — Atlantic States. 



Synclyas. 



Loew, Dipternfauna Sudafrika's, 260; 1860. ("^). 



*dorsalis Loew, Centur. I, 26. — New York. 

 *polita Loew, Centur, I, 27. — Carolina, 



Brachystoma. 



Meigen, System. Beschr. Ill, 12; 1822. 



*l)inTimmns Loew, Centur. II, 16. — Distr. Columbia, 

 *nigrimana Loew, Centur, II, 17. — Illinois. 

 *serrulata Loew, Centur. I, 23. — Georgia; Ohio. 



Observation. In a note to Centur. II, 17 Loew proposes for 

 these three species the formation of a new genus, Blephavoproda, 

 distinguished by the first submarginal cell being closed. 



Ocydromia. 



Meigen, System. Beschr. II, 311; 1820. 



peregriuata Walker, List, etc. Ill, 488. — Trenton Falls. 

 glabriciila Fallen, Meigen, etc. — Europe and Sitka (Loew, in litt.). 



SECTION EMPINA. ("'). 

 £inpjs. 



Linne, Fauna Suecica; 1763; Meigen, System. Beschr. Ill, 15. 



Al)cinis Walker, List, etc. Ill, 494. — Georgia. 

 Aghastus Walker, List, etc. Ill, 496. — Huds. B. Terr. 

 Ainytis Walker, List, etc. III, 493. — New York. 

 *arinipes Loew, Centur. I, 32. — New York. 

 Colouica Walker, List, etc. Ill, 498. — Nova Scotia. 

 Coriuus Walker, List, etc. Ill, 496. — Huds. B. Terr. 

 distaiis Loew, Centur. VIII, 54. — Georgia. 

 Eudaniides Walker, List, etc. Ill, 493. — North America. 



