186 DIPTERA 
Soc. Fenn. Helsingfors, Vol. 37 (3), p. 11 (1913); Oldenberg, Arch. 
Naturg. Berlin, Vol. 80, 9, p 79 (1915); Frey, Notule Ent. Vol. 2, 
P. 8, 9 [1922] (Choreodromia). i 
26. R. anomalipennis, Meigen, Syst. Beschr. Vol. 3, p. 55, pl. 23, f. 4 (1822); 
Zetterstedt, Dipt. Scand. Vol. 1, p. 411 (1842); ibidem, Vol. 13, 
p. 5016 (1859); Coquillett, Proc. Wash. Ent. Soc. Vol. 5, p. 249 
(1903); Wahlgren, Ent. Tidskr. Vol. 3r, p. 56 (1910); Frey, Acta 
Soc. Sc. Fenn. Helsingfors, Vol. 37 (3), p. 12 (1913); Oldenberg. 
Arch. Naturg. Berlin, Vol. 8o, 9, p. 81 (1915); Frey, Notule Ent. 
Vol. 2, p. 8, ro [1922] (Choreodromia). 
hyalipennis, Stephens, Cat. Brit. Ins. Vol. 2, p. 264 [1829] (Enicopteryx), no 
description. 
27. R. antennata, Frey, Mém. Acad. Sc. Russ. Vol. 29 (10), p. 9 (1915); 
Notulz Ent. Vol. 2, p. 44 [1922] (Pararhamfhomyia). 
28. R. anthracina, Meigen, Syst. Beschr. Vol. 3, p. 54 (1822); Loew, Isis, 
Vol. 7, p. 547, Bemerk. Posen. Gegend Art. Zweifl. Gatt. p. 20 
(1840); Scholz, Zeitschr. Ent. Breslau, Vol. 5 (19), p. 55 (185:); 
Schiner, Fauna Dipt. Austr. Vol. 1t, p. 100 (1862); Becker, Berl. 
Ent. Zeitschr. Vol. 31, p. 113 (1887); Strobl, Mitteil. Naturf. Ver. 
Steiermark, Graz, Vol. 29, p 5: (1892); Czizek, Zeitschr. Mühr. 
Landesmus. Brünn, Vol. 7, p. 165 (1907); Oldenberg, Arch. Naturg. 
Berlin, Vol. 83, A. 6, p. 24 (1919); Frey, N otulz Ent. Vol. 2, p. 76 
1922). 
;4 o Schummel, Arb. Veránd Schles. Ges. p. 189 (1843). 
? Loewi, Nowicki, Verh. Naturf. Ver Brünn, Vol. 6, p. 78 [1869] (Lóti); Mik, 
Fauna Hernst, Vol. 2, p. 2, 56 (1885); Becker, Berl. Ent. Zeitschr. 
Vol. 31, p. 113, 119 (1887). * 
29. R. anthracinella, Strobl, Glasnik. Mus. Bosn. Herceg. Sarajevo, Vol. 1o, 
p. 405 (1898); Mitteil. Bosn. Herceg. Sarajevo, Vol. 7.p. 566 (1900). 
3o. R. anthracodes, Coquillett, Proc. Wash. Acad. Sc. Vol. 2. p. 420 (1900). 
—,. R.* antlipedalis, Loew, Bernsteinfauna p 41: (1850) no description; 
Giebel, Ins. Vorwelt, p. 208 (1866) no description. 
31. R. apería, Loew (not Zetterstedt), Berl. Ent. Zeitschr. Vol. 6, p. 199: 
Cent. 2, No. 27 (1862); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, 
p. 418 (1895). 
32. R. apicalis, Bezzi, Nova Acta Akad. Naturf. Halle, Vol. 91, p. 330 (1909). 
33. R. afrilis, White, Proc. Roy. Soc. Tasmania, 1916, p. 238, f. 46 (1917). 
34. R. arcuata, Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 421 (1895). 
35. R. arcucincta, Bezzi, Nova Acta Akad. Naturf. Halle, Vol. gt, p. 331 (1909). 
36. R. argentata, Roeder, Wien. Ent. Zeit. Vol 6, p. 113 (1887); Frey, 
Notulz Ent. Vol. 2, p. 73 (1922). 
37. R. argyrina, Bezzi, Nova Acta Akad. Naturf. Halle, Vol 9r, p. 334 (1909). 
38. R. argyrolarsis, Bezzi, Nova Acta Akad. Naturf. Halle, Vol. gt, p. 324, 
f. 2 (1909). 
39 R.armala, Becker, Mém. Acad. Sc. Petrograd, Vol. 28 (7), p. 56, f. 2 
(1915); Frey, Notulz Ent. Vol. 2, p. 69 (1922). 
40. R. armimana, Oldenberg, Ann. Mus. Hungar. Vol. 8, p. 346, f. 1 (1910) 
41. R. alerrima, Frey, Notulze Ent. Vol. 2, p. 5 [1922] ( Lundstroemiella). 
? nigripes, Strobl (not Fabricius), Mitteil. Naturf, Ver. Steiermark, Graz, 
Vol 34, p. 198 (1897); ibidem, Vol. 46, p. 58 (1909). 
42. R. atra, Meigen, Syst. Beschr. Vol. 3, p. 45 (1822); Macquart, Hist. Nat. 
Dipt. Vol. 1, p. 339 (1834); Scholz, Zeitschr. Ent. Breslau, Vol. 5 
(19), p. 55 (1851); Schiner, Fauna Dipt. Austr. Vol. r. p. 99 (1862); 
Jaroschewsky, Arb Ges. Naturf. Univ. Kharkow, Vol. rt, p. 353 
(1877); Frey, Notule Ent. Vol. 2, p. 43 [1922] (Pararhamphomyia). 
43 R.atrata, Coquillett, Proc. Wash. Acad. Sc. Vol. 2, p. 419 (1900). 
C. & N. Europe. 
N. Siberia. 
C. Europe. 
Bosnia. 
Alaska. 
Baltic Amber, Lower 
Oligocene. 
C. United States. 
Peru. 
Tasmania. 
Massachusetts. 
South America. 
C. Europe. 
Bolivia. 
Bolivia. 
W. Siberia Tundra. 
C. Europe. 
Alps. 
C. Europe. 
Alaska. 
