196 DIPTERA 
Beschr. Vol. 3, p. 49 (1822); ? Loew, Bemerk. Posen. Gegend Art. 
Zweifl. Gatt. p. 22 (1840); [sis, Vol. 7, p. 550 (1840); ? Zetterstedt, 
Dipt. Scand. Vol. r, p. 398 (1842); Gimmerthal, Bull. Soc. Nat. 
Moscou, Vol. 20, p. 163 (1847); Walker, List Dipt. Brit. Mus. 
Vol. 3, p 499 (1849); Zetterstedt, Dipt. Scand. Vol. 8, p. 3035 
(1849); Wahlgren, Ent. Tidskr. Vol. 31, p. 56 (1910); Frey, Acta 
Soc. Sc. Fenn. Helsingfors, Vol. 37 (3). p. 29 (1913); Oldenberg, 
Arch. Naturg. Berlin, Vol. 83, A, 6, p. 22 (1919); Frey, Notule 
Ent. Vol. 2, p. 69 (1922). 
conformis, Kowarz, Verh. Zool.bot Gez. Wien, Vol. 17, p. 321 (1867); 
Lundbeck, Dipt. Danica, Vol. 3, p. 51, f. 15, 16 (1910); Oldenberg, 
Arch. Naturg. Berlin, Vol. 83, A, 6, p. 21 (1919). 
seudotrilineata, Strobl, Mitteil, Naturf. Ver. Steiermark, Graz, Vol. 29, 
P 49 (1892); Glasn. Mus. Bosn. Herceg. Sarajevo, Vol. 10, p. 402 
(1898); Mitteil. Bosn. Herzeg. Sarajevo, Vol. 7, p. 564 (1900). à 
- latifrons, Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), p. 29 Finland. Lapland. 
198. R 
(1913); Notule Ent. Vol. 2, p. 72 (1922). 
199. R. leptobus, Loew, Berl. Ent. Zeitschr. Vol. 17, p. 41 (1872); Bezzi, C. & S. Europe. 
Bull. Soc. Ent. Ital. Vol. 3o. p. 124 (1899). À 
200. R. leucophenga, Bezzi, Ann. Mus. Hungar. Vol. 3, p. 430 (1905); Nova Bolivia. 
Acta Akad. Naturf. Halle, Vol. 91, p. 322 (1909). 
201. R. leucoptera, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 340 : Cent. 1, No. 62 E. United States. 
(1861); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 415 (1895). x 
202. R. limata, Coquillett, Proc. Wash. Acad. Sc. Vol. 2. p. 417 (1900). Alaska. 
203. R. limbata, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 338 : Cent. r, No. 60 North America. 
(1861); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 358 (1895); 
Wash. Acad. Sc. Vol. 2, p. 414 (1900). 
argentea, Bigot, Bull. Soc. Ent. France (5), Vol. ro, p. 47 [1880] (Megacyt- 
farws); Coquillett, Proc. U. S. Nat. Mus Vol. 18, p. 388 [1895] 
(Megacyttarus); Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 350 
[1902] (Megacyttarus), 
204. R. limbipennis, Bezzi, Nova Acta Akad. Naturf. Hallé, Vol. 91, p. 329 Peru, Bolivia. 
(1909). 
205. R. liturata, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 339 : Cent. 1, No. 61. E. United States. 
(1861); Coquillett, Proc. U. S, Nat. Mus. Vol. 18, p. 413 (1895). 
206. R. lividiventris, Zetterstedt, Fauna Ins. Lappon. p. 5a8 [1838] (Rham?ho- C. & N. Europe. 
mysa); Dipt. Scand. Vol. r, p. 406 (1842); Schiner, Fauna Dipt. j 
Austr. Vol. t, p. 101(1862); Frey, Acta Soc. Sc. Fenn. Helsingfors, 
Vol. 31 (9), p. 21(1998); Wahlgren, Ent. Tidskr. Vol. 31, p. 56 
(1910); Frey, Acta Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), p. 13 
(1913); Notule Ent. Vol. 2, p. 34 [1922] (Pararhamfhomyia). 
207. R. longefilata, Strobl, Mem. Soc. Esp. Nat. Hist. Vol. 3, p. 305 (1906); Spain. 
Frey, Notulz: Ent. Vol. 2, p. 5 [1922] (Lundstroemiella). 
208. R. longestylata, Frey, Naturw. Unters. Sarekgebirges, Vol. 4 (6), p. 682  N. Europe. 
(1917); Act. Soc. Sc. Fenn. Helsingfors, Vol. 37 (10), p. 8 (1913); 
Notulz Ent. Vol. 2, p. 44 [1922] (Pararhamphomyia). 
209. R. longicauda, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 326: Cent. tr, No. 38 E. United States. 
(1861); Glover, Manuscr. Notes, p. 44, pl. 3, f. 23, 24 (1874); - 
Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 411 (1895); Kellogg, 
Amer. Ins. p. 334, f. 470(1905); Frey, Notule Ent. Vol. 2, p. 44 
[1922] (Pararhampliomyia). : 
210, R. longicornis, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 332: Cent. t, No. 47 E. United States. 
(1561); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 417 (1895). 
211. R. longipennis, Loew, Berl. Ent. Zeitschr. Vol. 5, p. 331: Cent. 1, No. 46 E. United States. 
(1861); Coquillett, Proc. U. S. Nat. Mus. Vol, 18, p. 412 (1895). 
D] 
