441. Pi 
242. P. 
243. 
244. 
245. 
246. 
247. 
248. 
249. 
navita Pavilas 
250. P. 
425r. P. 
292. P. 
253. P. 
254. P. 
255. P. 
256. P. 
FAM. EMPIDIDZ/E 
Vol. 29, p. 109 [1892] (Taehydromia) ; Frey, Zeitschr. Hym. Dipt. Vol. 7, 
p. 412 [1907] ( Tachydromia stramineipes) ; Medd. Soc. Fenn. Helsingfors, 
Vol. 34, p. 21 [1908] (Tachydromia); Strobl, Mitteil. Naturw. Ver. 
Steiermark, Graz, Vol. 46, p. 77 (1909). 
var. nigricollis, Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), p. 82 [1913] 
(Tachydromia). 
sanguineus, Arribalzaga, Natural. Argent. Vol. r, p. 294 [1878] (TacAhy- 
dromia); Bezzi, Ann. Mus. Hungar, Vol, 3, p. 459 [1905] (TacAy- 
dromia); Nova Acta Akad. Naturf. Halle, Vol. 9r, p. 402 (1909). 
sangwuinolentus, new name, 
sanguineus, Meijere (not Arribalzaga), Tijd. Ent. Vol. 56, Suppl. p. 76 [1914] 
(Tachydromia). 
. salyriacus, nov. sp. 
..semihyalipennis, Grimmerthal, Bull. Soc. Imp. Moscou, Vol. 20 (2), 
p. 166 [1847] (Tackydromia); Schiner, Fauna Dipt. Austr. Vol. r, 
p. 92 [1862] (semihyalinus). 
. Sericatus, nov. sp. 
. sericeus, Macquart, Mém. Soc. Sc. Lille, p. 153 [1823] (Tachydrom:a). 
. simplicifes, nov. sp. 
. Soccatus, nov. sp. 
. sordidus, Zetterstedt, Ins. Lappon. p. 552 [1838] (Tachydromia) ; Dipt. 
Scand. Vol. r, 3oo [1842] (Tachydromia); ibidem, Vol. 8, p. 3007 
[1849] (Tachydromia); Strobl, Mitteil. Naturw. Ver. Steiermark, 
Graz, Vol. 29, p. 120 [1892] (Tackydromia); Frey, Zeitschr. Hym. 
Dipt. Vol. 7, p. 410 [1907] (Tachydromia); Medd. Soc. Fenn. 
Helsingfors, Vol. 34, p. 21 [1908] (Tachydromia); Wahlgren, Ent. 
Tidskr. Vol. 31, p. 94 [1910] (Tachydromia); Frey. Acta Soc. Sc. 
Fenn. Helsingfors, Vol. 37 (3), p. 79 [1913] (Tachydromia). 
spinosus, nov. sp. 
splendens, new name. 
montanus, Melander (not Becker), Trans. Amer. Soc. Vol. 28, p. 213, f. 7, 8 
[1902] (Elaphropeza) ; Ent. News, Vol. 17, p.372 [1906] (Symballophthalmus). 
stigmatellus, Zetterstedt, Dipt. Scand. Vol. 1, p. 306 [1842] (Tachy- 
dromia); ibidem, Vol, 8, p. 3oro [1849] (Tachydromia); Scholz, 
Zeitschr. Ent. Breslau, Vol. 5 (19) p. 58 [1851] (Tachydromia) ; Bons- 
dorff, Finl. tváv. Ins. Dipt. Vol. r, p. 151 [186r] (TacAydromia); 
Strobl, Mitteil. Naturw. Ver. Steiermark, Graz, Vol. 29, p. rro 
[1892] (Tachydromia); Frey, Zeitschr. Hym. Dipt. Vol. 7, p. 412. 
[1907] (Tachydromia); Medd. Soc. Fenn. Helsingfors, Vol. 34, p. 21 
[1908] (1 achydromia); Strobl, Mitteil. Naturw. Ver. Steiermark, 
Graz, Vol. 46, p. 79 [1909] (Tachydromia); Wahlgren, Ent. Tidskr. 
Vol. 31, p. 95 [1910] (Tackydromia); Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 37 (3), p. 87, f. 29 [1913] (Tachydromia). 
pallipes, Zetterstedt, part, Ins. Lappon. p. 553, part [1838] (TacAhydromia). 
strigifrons, Zetterstedt, Dipt. Scand. Vol. 8, p. 3005 [1849] (TacAy- 
dromia); Lundbeck, Dipt. Danica, Vol. 3, p. 293, f. 134 [19160] 
Tachydromia); Becker, Ann. Mus. Zool. St. Petersbourg, Vol. 17, 
p- 597 [1913] (Tachydromia); Frey, Acta Soc. Sc. Helsingfors, Vol. 37 
(3). p. 79 [1913] (Tachydromia). 
Stroblianus, new name. 
diversipes, Strobl (not Coquillett) Mitteil. Naturw. Ver. Steiermark, Graz, 
Vol. 46, p. 84 [1909] (Tachydromia). 
subulifer, Meijere, Tijd. Ent. Vol. 56, Suppl.p.78[1914] (Tachydromia). 
sutor, Melander. Occ. Pap. Boston, Soc. Nat. Hist. Vol. 5, p. 87 (1924). 
Finland, Sweden. 
Argentina. 
java. 
Labrador. 
Russia. 
British Columbia. 
France. 
Washington. 
Idaho. 
C. & N. Europe. 
California. 
Colorado. 
C. & N. Europe. 
N. Europe, Persia. 
C. Europe. 
java. 
North America. 
365 
