238 DIPTERA 
9. H. nivalis, Zetterstedt, Fauna Ins. Lappon. p. 545 [1838] (Hemerodromia); Europe. 
Dipt. Scand. Vol. r, p. 325 [1842] (Ardobtera);; Loew, Wien. Ent. 
Monatschr. Vol. 2, p. 8 [1858] (Clinocera); Bonsdorff, Finl. tvàv. 
Ins. Dipt. Vol. r, p. 155 [1861] (Ardoftera) ; Schiner, Fauna Dipt. 
Austr. Vol. 1, p. 85 [1862] (Clinocera); Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 37 (3), p. 62, f. 15 (1913); Engel, Deutsche Ent. 
Zeitschr. 1918, p. 44 (1918). 
10. H. stagnalis, Haliday. Ent. Mag. London. Vol. 1, p. 159 [1833] (Heleodro- Europe, Gristl d. 
mia); Curtis, Brit. Ent. p. 513 [1834] (Heleodromia) ; Macquart, Hist. : 
Nat. Dipt. Vol. 2, p. 658 (1835); Meigen, Syst. Beschr. Vol. 7, p. 93 
[1838] (Hemerodromia) ; Walker, List Dipt. Brit. Mus. Vol. 3, p. 504 
[1849] (Heleodromia); Ins. Brit. Vol. 1, p. 105, pl. 3, f. 6 [1851] 
(Heleodromia); Loew, Wien. Ent. Monatschr. Vol. 2. p. 246, 4 [1858] 
(Clinocera); Schiner. Fauna Dipt. Austr. Vol. 1, p. 84 [1862] (Clino- 
cera); Mik, Verh. Zool.-bot. Ges. Wien, Vol. 3r, p. 326. pl. 16, f.6-7, 
[1881] (Heleodromia); Strobl, Mitteil. Nat. Ver. Steiermark. Graz, 
Vol. 29, p. 101 [1892] (Heleodromia); Lundbeck, Vidensk. Meddel. 
P- 297 [1898] (Clinocera); Strobl, Wien. Ent. Zeit. Vol. 18, p. 77 
[1899] (Heleodromia); Coquillett, Proc. Ent. Soc. Washington, 
Vol. 5, p. 264 (19093); Lundbeck, Dipt. Dan. Vol. 3, p. 219, f. 9o 
[1910] (Heleodromia); Wahlgren, Ent. Tidskr. Vol. 31, p. 82 [1910] 
(Heleodromia) ; Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), 
p. 63 [1913] (Heleodromia); Engel, Deutsche Ent. Zeitschr. 1918, 
p. 39, f. 9 (1918). 
appendiculata, Hansen (not Zetterstedt), Naturh, Tidskr. (3), Vol. 13, p. 259 
[1880] (Heleodromia). 
Westermanni, Zetterstedt, Fauna Ins. Lappon. Vol. 558 [1838] (Brachystoma); 
Dipt. Scand. Vol. 1, p. 360 [1842] (Brachystoma) ; ibidem, Vol. 8, p. 3019 
[1849] Brachystoma); Bonsdorff, Finl. tváv. Ins. Dipt. Vol. 1. p. 162 
[1861] (Brachystoma). t 
11. H. faos, Melander, Trans. Amer, Ent. Soc Vol. 28, p. 242 [1902] (Clino- M pues ce: 
cera); Engel, Deutsche Ent. Zeitschr. 1918, p. 49 (1918). 
12. H.. undalaía, nov. sp. Idaho, Washington. 
13. H. Wesmelii, Macquart, Hist. Nat. Dipt. Vol. 2, p. 656, pl 24, f. 17 Europe. 
[1835] (Paramesia) ; Meigen, Syst. Beschr. Vol. 7, p. 79 [1838] (Bra- 
chystoma); Zetterstedt, Dipt. Scand. Vol. zr, p. 364, part [1842] 
(Brachystoma); Loew, Zeitschr. Ges. Naturw. Vol. 8, p. 100 [1857] 
(Clinocera); Loew, Wien. Ent. Monatschr. Vol. 2, p. 257 |1858] 
(Clinocera) ; Schiner, Fauna Dipt. Austr. Vol. t, p. 85 [1862] (Clino- 
cra); Nowicki, Verh. Nat. Ver. Brünn, Vol. 6, pl. 2, f. 5 [1868] 
(Clinocera); Loew, Beschr. Dipt. Vol. t, p. 271, note [1869] (Clino- 
cera); Mik, Verh. Zool.bot. Ges Wien, Vol. 31, p. 362 (1881); 
Strobl, Mitteil. Nat. Ver. Steiermark, Graz, Vol. 29, p. 101 (1893); 
Lundbeck, Dipt. Dan. Vol. 3, p. 220, f. 91 [1910] (Heleodromia) ; 
Wahlgren, Ent. Tidskr. Vol. 31, p. 82 [1910] (Heleodromia) ; Verrall, 
Ent. Mag. London, Vol. 48. p.26 [1912] (Cliuocera); Engel, Deutsche 
Ent. Zeitschr. 1918 p. 43 [1918] (Heleodromia). 
nebulosa, Zetterstedt, Fauna Ins. Lappon. p. 559, note [1838] (Brachystoma). 
SuBGENUS KOWARZIA 
1, K. amarantha, Becker, Mitteil. Zool. Mus. Berlin, Vol. 4, p. 43, pl. 1, f. 10 Canary Islands. 
(1908); Engel, Deutsche Ent. Zeitschr. 1918, p. 73 (1918). 
a K.barbatula, Mik, Verh. Zool-bot. Ges. Wien, Vol. 3o, p. 347 [1880] Europe. 
(Clinocera) ; Mik, ibidem, Vol; 31, p. 325, pl. 16, f. 1-3(1881); Brocher, 
