566 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Merjacyttarus Bigot, Bull. Soc. Ent. France for 1880, p. 47, 1880. 1 siiecie.s. Type, 

 Ehamphomyia limbata Loew {afi nrgenteim, new species). Equals Dionnaea Meigen, 

 1800. 



Megaglossa Rondani, Bull. Soc. Ent. Ital., vol. 1, p. 32, 1869. Change of name for 

 Platystoma Meigen, 1803, not of Klein, 1753 (pre-Linnfean and not since used in the 

 Mollusca). Type, Musca seminationis LinnjEUS. Equals Platystoma Meigen, 1803. 



Meyalomyia Bigot, Bull. Soc. Ent. France for 1880, p. 5, 1880. 2 species. Type, 

 Acanthomerd seticornis Wiedemann, the first species, by present designation. Equals 

 Pantophthalmus Thunberg, 1819. 



Megamerina Rondani, Dipt. Ital. I'rodr., vol. 4, p. 10, 1861. Change of name for 

 LixsK Mehjex, 1826, not of Leach, 1815. Type, Oryplera dulium Fabricius. Syn., 

 X/.s.s'o Meigen, 1826, preoccupied. 



Megametopon Giglio-Tos, Boll. Mus Zool. Univ. Torino, vol. 6, No. 108, p. 5, 

 Sept. 20, 1891. No species. In Mem. Acad. Sci. Torino for 1892, 1 species. Type, 

 Ophrorm/ianasicaWiLLiSTON. Syn., Op//rom?/ra Williston, December, 1891. 



Megaparia Wulp, Biol. Centr.-Amer., Dept., vol. 2, p. 240, 1891. 1 species. Type, 

 Megaparia rcnotfii Wulp. 



Megaphthalma Becker, Berliner Ent. Zeitschr., vol. 39, p. 105, 1894. 2 species. 

 Type, Cordilura pallida Fallen, the first species, by original designation. 



Megapollyon Vi' ALKER, L\i6t Dipt. Brit. I\Ius., vol. 6, p. 452, 1854. 13 species. Type, 

 Mirroslylum acidirostre Loew, the first si)ecies, by present designation. Equals Micro- 

 stylum Macquart, 1838. 



Megaprosopus Macquart, Dipt. Exot., vol. 2, pt. 3, p. 83, 1843. 1 si^ecies. Type, 

 Megaprofopus rufiventris Macquart. 



Megarhina St. Fargeau and Serville, Encycl. .Meth., vol. 10, pt. 2, p. 585, 1828. 

 1 species. Type, Limnohia longirostris Meigen. Syn., Ilelius St. Farcjeau and Ser- 

 ville, 1828; LeptorJilna Stephens, 1829; Rhainphidla Meigen, 1830. 



Megarhinus Desvoidy, Mem. Soc. Hist. Nat. Paris, vol. 3, p. 412, 1827. 1 species. 

 Type, Cidcx JurmorrlKiidalisFABRicivi^. Syn., Lyndiiella Layiille, 1904. 



Megaselia Rondani, Dipt. Ital. Prodr., vol. 1, p. 137, 1856. 1 species. Type, PJiora 

 costulis VON Roser (as crassUwnra, new species). Syn., Trhometopyia Lioy, 1864; 

 Aplnochu'ta Brues, 1903. 



Meghyperus Loew, Ent. Zeit. Stettin, vol. 11, p. 303, 1850. 1 species. Type, 

 Meghyperus sudeticus Loew. 



Megistopoda Macquart, Ann. Soc. Ent. France for 1852, p. 332, 1852. 1 species. 

 Type, Mi'g'iMojxnIa pilatei IMacquart. 



Megistostylus Bigot, Ann. Soc. Ent. France for 1859, p. 215, 1859. 1 species. 

 Type, I'dlopiis crinicornis Wiedemann. 



Meigenia Desvoidy, Elssai Myod.,p. 198, 1830. 2 species (as 11). Type, Tachina 

 furalis Fallen (equals the last four supposed species), by designation of Desvoidy, 

 Hist. Nat. Dipt., vol. 1, 1863, p. 1065. Syn., Spylotiia Rondani, 1856; Dtplo)m:va Lioy, 

 1864; Tnmicera Pandelle, 1896. 



Meigeniella Coquillett, Proc. U. S. Nat. Mus., vol. 25, p. 104, 1902. 1 species. 

 Tyi)e, Meigeniella Jiinei Coquillett. 



Melaleuca Wulp, Biol. Centr.-Amer., Dept., vol. 2, p. 247, 1891. 1 species. Type, 

 Melaleuca spectabilis Wulp. 



Melanochelia Rondani, Atti Soc. Ital. Sci. Nat., vol. 9, p. 5, 1866. 1 species. Type, 

 Limnopliora exsurda Pandelle (as Aricia stirda Zetterstedt), Equals Limnophora 

 Desvoidy, 1830. 



Melanoconion Theobald, Monogr. Culic, vol. 3, p. 238, 1903. 6 species. Type, 

 Cide.c ulratas Theobald, the first species, by designation of Dyar, Proc. Ent. Soc. 

 Washington, vol. 7, 1905, p. 49. Syn., Mochlosiyrax Dyar and Knab, April 15, 1906. 



Melanodexia Williston, N. Amer. Fauna, No. 7, p. 256, 1893. 1 species. Type, 

 Melanodexia tristis Williston. 



