180 DIPTERA 
microscopic size. Wings without a humeral bristle, the alula, anal incision and anal lobe well 
developed, costa stopping beyond the third vein but before the tip of the wing, auxiliary vein straight 
and vanishing at the tip, first vein long, third vein not forked, anal crossvein abruptly reflexed, 
continuous with the under side of the anal cell, anal vein faint, marginal cilia and setulae microscopic. 
Type species : N. edi, Coquillett, the only known species. 
Geographical distribution. 
1. N. Weedi, Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 434 (1895); S. E. United States. 
Howard, Ins. Book. pl. 18, f 3o (19or). 
29. GENUS RHAMPHOMYIA, MEIGEN 
Rhamphomyia, Meigen, Syst. Beschr. Vol. 3, p. 42 (1822); Macquart, Dipt. N. France, Vol 3, 
P. 129 (1827); Curtis, Brit. Ent. Vol. 8, p. 517 (1834); Macquart, Hist. Nat. Dipt. Vol, r, p. 334 
(1834); Zetterstedt, Fauna Ins. Lappon. p. 562 [1838] (hamfhomysa); Westwood, Gen. Syn. 
p. 131 (1840); Zetterstedt, Dipt. Scand. Vol. 1, p. 388 (1842); Boitard, Man. Ent. Vol. 3, p. 319 
(1843); Walker, Ins. Brit. Dipt. Vol. 1, p. 108 (1851); Berendt, Bernstein. Organ. Reste Vorw. 
[1856] (umphomyia); Rondani, Dipt. Ital. Vol. r, p. 151 (1856); Bigot, Ann. Soc. Ent. France 
(3), Vol. 5, p. 563 (1857); Schiner, Fauna Dipt. Austr. Vol. 1, p. 96 (1862); Lioy, Atti Inst. Ven. 
1864, p. 6or (1864); Beling, Arch. Naturg. Berlin, Vol. 48, p. 240 (1882); Bigot, Ann. Soc. Ent. 
France (6), Vol. 9, p. 122 (1889); Coquillett, Proc. U. S. Nat. Mus. Vol. 18, p. 390, 409 (1895); 
Proc. Ent. Soc. Wash. Vol. 5, p. 256 (1903); Bezzi, Ann. Mus. Hungar. Vol. 3, p. 428 (1905); 
Melander, Williston Man. N. Amer. Dipt. p. 225 (1908); Bezzi, Nova Acta Akad. Naturf. Halle, 
Vol. 9t, p. 3o2. 320 (1909); Kertész, Cat. Dipt. Vol. 6, p. 15 (1909); Frey, Acta Soc. Sc. Fenn. 
Helsingfors. Vol. 31 (9), p. 17-21 (1909); Coquillett, Proc. U. S. Nat. Mus. Vol. 37, p. 599 (1910); 
Lundbeck, Dipt. Danica, Vol. 3, p. 3o(1910); Wahlgren, Ent. Tidskr. Vol. 31, p. 44, 48 (1910); 
White, Proc. Roy. Soc. Tasmania, 1916, p. 237 (1917); Malloch. Rept. Can. Arct, Exped. 
1913-18, Dipt. p. 44 (1919); Brunetti, Fauna Brit. India Dipt. Vol. r, p. 345 (1920); Frey, 
Notulze Ent. Vol. 2, p. 1-10, 33-45. 65-77 (1922). 
Choreodromia, Frey, Notulz Ent. Vol. 2, p. 3,6 (1922). 
Dasyrhamphomyia, Frey, Notulz Ent. Vol. 2, p. 4, 65 (1922). 
Dionnaea, Meigen, Nouv. Classif. Mouches, p. 24, part. (1800); Coquillett, Proc. U. S. Nat. Mus. 
Vol. 37, p. 534 (1910). 
Enicopteryx, Stephens, Syst. Cat. Brit. Ins. Vol. 2, p. 264 (1829); Westwood, Gen. Syn. p. 131 (1840); 
Coquillett, Proc, Ent. Soc. Wash. Vol. 5, p. 249 (1903); Kertész, Cat. Dipt. Vol. 6, p. 15 [1908] 
(Henicobteryx); Coquillett, Proc. U. S. Nat. Mus. Vol. 37, p. 538 (1910). 
Holoclera, Schiner, Wien, Ent. Monatschr. Vol. 4, p. 53 (1860); Fauna Dipt. Austr. Vol. r, p. 80 
(1862); Bigot, Ann. Soc. Ent. France (6), Vol. 9, p. 122 (1889); Coquillett, Proc. Ent. Soc. 
Wash. Vol. 5, p. 251, 260(1903); Proc. U. S. Nat. Mus. Vol. 37, p. 552 (1910); Frey, Notulze 
Ent. Vol. 2, p. 3, 5 (1922). 
Lundstroemiella, Frey, Notule Ent. Vol. 2, p. 3, 4 (1922). 
Macrostomus, Wiedemann, Zool. Mag. Berlin, Vol. r, Pt. r, p. 6o (1817); Coquillett, Proc. Ent. Soc. 
Wash. Vol. 5, p. 252, 260 (1903); Proc. U. S. Nat Mus. Vol. 37, p. 564 (1910). 
Megacyttarus, Bigot, Ann. Soc, Ent. France (5), Vol. 10, Bull. p. 47 (1880); Williston, Synopsis 
N. Amer, Dipt. p. 82 (1888); Bigot, Ann. Soc. Ent. France (6), Vol. 9, p. 117 [1899] (Megacittarus); 
