278 
I9. 
20. 
2I. 
22. 
23. 
24. 
25. 
26. 
27. 
28. 
29. 
DIPTERA 
Schiner, Fauna Dipt. Austr. Vol. r, p. 94 [1862] ( Tachydromia) ; Siebke, 
Nyt Mag. Naturvid. Vol. 14, p. 387 (1866); Cat. Dipt. Norv. p. 25 (1877); 
Strobl, Mitteil. Nat. Ver. Steiermark, Graz, Vol. 29, p. 126 (1892). 
T. palliditibie, Brunetti, Rec. Indian Mus. Vol. 9, p. 4t [1913] (Platy- 
falpus); Fauna Brit. India Dipt. Vol. r, p. 379 (1920). 
T. postica, Walker, Trans. Ent. Soc. Lond. n. s. Vol. 4, p. 149 [1857] 
(Tachydromia) ; Coquillett, Proc. U. S. Mus. Vol. 18, p. 440 [1895] 
(Tachydromia); Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 227, 
f. 53 [1902] (Tachydromia). 
T. ?$relusio, Walker, Ent. Mag. London, Vol. 3, p. 180 (1835). 
T. fruinosa, Coquillett, Proc. Ent. Soc. Wash. Vol. 5, p. 267 (1903). 
T. rostrata, Loew, Berl. Ent. Zeitschr. Vol. 8, p. 86 : Cent. 5, No. 72 
(1864); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 440 [1895] 
(Tachydromia); Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 229 
[1902] (Tachydromia); Coquillett, Proc. Ent. Soc. Wash. Vol. 5, 
p. 265 (1903). 
T . sericeipalpis, Frey, Act. Soc. Sc. Fenn. Helsingfors, Vol. 37 (10), p. 10 
1913). 
da UNES Frey, Mém. Acad. Sc. Russ. Vol. 29 (10), p. 14 (1915). 
T. truncorum, Fallen, Empid. Suec. p. 14 [1815] (Tachydromia); Zetterstedt, 
Fauna lns. Lappon. p. 547 (1838); Dipt. Scand. Vol. 1, p. 316 
(1842); Bonsdorff, Finl. tváv. Ins. Dipt. Vol. t, p. 154 (1861); 
Schiner, Fauna Dipt. Austr. Vol. 1, p. 94 [1862] (Tachydromia) ; 
Loew, Zeitschr. Ent. Breslau, Vol. 17, p. 7 (1864); Strobl, Mitteil. 
Nat. Ver. Steiermark, Graz, Vol. 29, p. 126 (1892); Wahlgren, Ent. 
Tidskr. Vol. 31, p. 88 (1910); Frey, Acta Soc. Sc. Fenn. Helsing- 
fors. Vol. 37 (3), p. 72 (1913). 
flavipes, Thunberg, part, Nova Acta Soc. Scient. Upsal, Vol. 4, p. 26, var. a 
[1784] (Empis). 
T. umbripennis, Meigen, Syst. Beschr. Vol. 3, p. 7o [1822] (Tachydromia); 
ibidem, Vol. 7, p. 95, pl. 67, f. 18-20 (1838); Schiner, Fauna Dipt. 
Austr. Vol. rz, p. 94 [1862] (Tachydromia). 
T. vittipennis, Walker, Trans. Ent. Soc. Lond. n. s. Vol. 4, p. 149 [1857] 
(Tachydromia); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 439 
[1895] (Tachydromia); Melander, Trans. Amer. Ent. Soc. Vol. 28, 
p. 226 (1902). 
T. *voracis, Meunier, Ann. Sc. Nat. (Zool.) Vol. 7, p. 89, 99; pl. 4, f. 11, 
12, pl. 5, f. 1, 2 [1908] (Tachydromia). 
T. Winthemi, Zetterstedt, Fauna Ins. Lappon. p. 548 (1838); Dipt. 
Scand. Vol. r, p. 321 (1842); ibidem, Vol. 8, p. 3orr (1842); Bons- 
dorff, Finl. tváv. Ins. Dipt. Vol. r, p. 155 (1861); Loew, Zeit. Ent. 
Breslau, Vol. 17, p. 14 (1864); Siebke, Nyt. Mag. Naturv. Vol. 12, 
P. 108 (1864); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 440 
[1896] (Tachydromia); Melander, Trans. Amer. Ent. Soc. Vol. 28, 
p. 227 [1902] (Tachyd»omia); Coquillett, Proc. Ent. Soc. Wash. 
Vol. 5, p. 265 (1903); Wahlgren, Ent. Tidskr. Vol. 3r, p. 88 (1910); 
Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3) p. 72 (1913). 
obscura, Roser, Correspondenzbl. Landw. Ver. Würtemb. Stuttgart, Vol. 1, 
p. 53 (1840). 
W. Himalayas. 
North America. 
Missouri. 
E. United States. 
Finland. 
Arctic Siberia. 
N. & C. Europe. 
C. Europe. 
North America. 
Baltic Amber. 
Europe, Siberia, North 
America, 
2. GENUS TACHYDROMIA, MEIGEN 
Tachydromia, Meigen, Illiger, Mag. Ins. Vol. 2, 269 (1803); Syst. Beschr. Vol. 3, p. 67 (1822); 
Macquart, Mém. Soc. Sc. Lille, 1823, p. 151 (1823); Curtis, Brit. Ent. Vol. 8, p. 477 (1824); 
