N«»i{Tn Amekican Dii'tera. 43 



20. Front tVinora tliickciu'il. 21 



Frftnt ft'inora not tliickcned 22 



21. Arista terminal. Tachypbb* 



Arista subdorsal. Phoneutisca 



22. Arista terminal Drapetis 



Arista dorsal 2^ 3 



2H. Proboscis short, vertical ; palpi broad Stilpon 



Proboscis slender ; palpi narrow, slender. . Phoneitisca 



Hyuos Meifjen, Illijier's Magaz. II, 1803. 



Syneciies Walker, Dipt. Saund. 105, 18->]. 



Syndyas Locw, Dipternf. Sudafrikas, 500, 1800. 



Blepharoi'hocti s Loew, Centur. 11,17, 1802 (H racliy s to ma). 



OcYDROMiA Meigen, Syst. Beschr. II, 311, 1820. 



Empis Linne, Fauna Suecica, 1703. 



Pachymeria Stephen, Syst. Cat. 1829. 



Iteapiiila Zetterstedt, Ins. Lapp. 541, 1840. 



Khamphomyia Meigen, Syst. Beschr. Ill, 1822. 



Hilaka Meigen, Syst. Beschr. HI, 1822. 



IIcjRMoPEZA Zetterstedt, Ins. Lapp. 1840. 



Gloma Meigen, Syst. Beschr. Ill, 1822. 



Cyrtoma Meigen, Syst. Beschr. IV, 1824. 



Leptoi'eza IVtticquart, Dipt, du Nord. 1827. 



Stilpox Loew, Neue Beitr. VI, M, 1859. 



Drapetis Meigen, Syst. Beschr: III, 1822. 



Tachydromia Meigen, Illiger's Magaz. II, 1803. 



Phoneutisca Loew, Centur. Ill, 35, 18(53. 



TAcin pe/.a Meigen, Syst. Beschr. VI, 341, 1830. 



Ardopteka Macqnart, Dipt, du Nord. 1827. 



Synamphotkha Loew, Zeit.schr. f. Ges. Naturw. VI, 45;^, 1858. 



Hemkhodromia Meigen, Syst. Beschr. Ill, 1822. 



("i.iNocKKA Meigen, Illiger's Magaz. II, 271, 1803. 



DOLICHOPODID^.* 

 Usually metallic green or blue flies of small size; active, predac- 

 eous, found on vegetation or in damp situations. Head hemispheri- 

 cal, eyes large, rarely contiguous in the male. Front with bristles 

 on tlie vorte.v only ; ocelli present. Antenna; porrect ; third joint 



• The family characters and table are reproduced from Loew's Mono- 

 graph of the family (Smithsonian Institution, 1868), to which the reader ie 

 referred for further information. 



