II4 -DIPTERA 
P. 25 (1912); Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), 
P- 49 (1913). 
quadrivittata, Zetterstedt (not Meigen), Dipt. Scand. Vol. r, p. 339 (1842); 
ibidem, Vol, 8, p. 3o15 (1849). 
21. H. bella, Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 271, f. 94 (1902). 
22. H. bistriata, Zetterstedt, Dipt. Scand. Vol. r, p. 340 (1842); ibidem, 
Vol. 8, p. 3o15 (1849); Strobl, Verh. Zool.-bot. Ges. Wien, Vol. 42, 
P. 145 (1892); Mitteil. Naturw. Ver. Steiermark, Graz, Vol. 29, p. 9o 
(1892); Lundbeck, Dipt. Dan. Vol. 3, p. 170,f.63 (1910); Wahlgren, 
Ent. Tidskr. Vol. 3r, p. 76 (1910); Frey, Acta Soc. Sc. Fenn. Hel- 
singfors, Vol. 37 (3), p. 5o (1913). 
brevivittata, Bonsdorff, Finl. tvàv. Ins. Dipt. Vol. 1, p, 161 (1861). 
var, cantabrica, Strobl, Wien. Ent. Zeit. Vol. 18, p. 22 (1899). 
var. flavohalterata, Strobl, Glasnik. Mus. Bosn. Herceg. Sarajevo, Vol. ro, p. 412 
(1898); Mitteil. Mus. Bosn. Herceg. Sarajevo, Vol. 7, p. 572 (1900). 
bivittata, Strobl, Verh. Zool.-bot. Ges. Wien, Vol. 42, p. 113 (1892); 
Mitteil. Naturw. Ver. Steiermark, Graz, Vol. 29, p. 88 (1892); 
Lundbeck, Dipt. Dan. Vol. 3, p. 151, f. 56 (1910); Frey, Acta Soc. 
Sc. Fenn. Helsingfors, Vol. 37 (3), p. 56 (1913). 
- borealis, Oldenberg, Arch. Naturg. Berlin, Vol. 81, A (9), p. 172 
(1916). 
Czernyi, Strobl, part. Verh. Zool-bot. Ges. Wien, Vol. 59, p. 176, part, (1909). 
- bovina, Becker, Deut. Ent. Zeitsch. p. 644 (1910). 
. Braueri, Strobl, Verh. Zool.-bot. Ges. Wien. Vol. 42, p. 135 (1892); 
Verrall, Ent. Mag. London, Vol. 48, p. 25 (1912). 
argyrosoma, Strobl, Verh. Zool.-bot. Ges. Wien, vol. 42, p. 136 (1892) ; Meijere, 
Tijdschr. v. Ent. Vol. 5o, p. 177 (1907) ; Wahlgren, Ent, Tidskr.Vol. 3t, 
P- 76 (1910). 
niveipennis, Zetterstedt, var, Dipt. Scand. Vol. 1, p. 352, var. a and b. (1842). 
- brevipila, Loew, Berl. Ent. Zeitschr. Vol. 6, p. 204: Cent. 3, No. 4t 
(1862); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 394 (1895); 
Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 266 (1902). 
brevivittata, Macquart, Dipt. N. France, Vol. 3, p. 114 (1827); Hist. 
Nat. Dipt. Vol. 1, p. 342 (1834); Meigen, Syst. Beschr. Vol. 7. 
p- 80 (1838); Zetterstedt, Dipt. Scand. Vol. 1, p. 357 (1842); ibidem, 
Vol. 8, p. 3018 (1849); Strobl, Verh. Zool.-bot. Ges. Wien, Vol. 42, 
P. 146 (1892); Wahlgren, Ent. Tidskr. Vol. 31, p. 76 (1910). 
H. cerulescens, Oldenberg, Arch. Naturg. Berlin, Vol. 8r, A (9), p. 168 
(1916). 
H.«cana, Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 395 (1895); 
Melander, Trans. Amer, Ent. Soc. Vol. 28, p. 269 (1902). 
31. H. canescens, Zetterstedt, Dipt. Scand. Vol. 8, p. 3or4 (1849); ibidem, 
Vol. 11, p. 4269 (1852); Strobl, Verh. Ges. Zool.-bot. Wien. Vol. 42, 
P. 164 (1892); Mitteil. Naturw, Ver. Steiermark, Graz, Vol. 29, 
P. 91 (1892); Verrall, Ent. Mag. London (2), Vol. 5, p. 141 (1894); 
Wahlgren, Ent. Tidskr. Vol. 31, p. 77 (1910); Frey, Acta Soc. Sc. 
Fenn. Helsingfors, Vol. 37 (3), p. 47 (1913). 
23. HH. 
24. 
25. 
26. 
mu 
27. 
38. H. 
ag. 
3o. 
32. H. capensis, Schiner, Novara Reise, Dipt. p. 206 (1868). 
33. H. carbonaria, Melander, Trans, Amer. Ent. Soc. Vol. 28, p. 272 (1902). 
34. H. carbonella, Zetterstedt, Dipt. Scand. Vol. 1, p. 359 (1842); Meu) 
Vol. 13, p. 5003 (1859); Bonsdorff, Finl. tvàáv. Ins. Dipt. Vol. 
p. 162 (1861); Strobl, Verh. Zool.-bot. Ges. Wien, Vol. 42, p. 3*5 
(1892). 
Massachusetts. 
Europe. 
Alps, Lappland. 
Corsica. 
C, & N. Europe. 
United States. 
Europe. 
Tirol. 
California. 
C. & N. Europe 
Cape Good Hope. 
Massachusetts. 
N. Europe. 
