566 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 37. 



Megacyttarus Bigot, Bull. Soc. Ent.'France for 1880, p. 47, 1880. 1 species. Type, 

 Jihamphomyia Uinbata IjOew {as argenteus, new species). Equals Dionnsea Meigen, 

 1800. 



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

 I'latyatoma Mei(;en, 1803, not of Klein, 1753 (pre-Linufcan and not since used in the 

 Mollusca). Type, Musca seminationis Linx.kus. Equals Platystoma Meigen, 1803. 



Megalomyla BuiOT, Bull. Soc. Ent. France for 1880, p. 5, 1880. 2 si)ecies. Type, 

 Acanlhnmera 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 

 Lissa Meigen, 1826, not of T^each, 1815. Type, Oryptera dolinvi Fabricius. Syn., 

 Lissa Meigen, 1826, preoccupied. 



Megametopon GuiLio-Tos, Boll. ]\Ius Zool. Univ. Torino, vol. 6, No. 108, p. 5, 

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

 Ophromyia nasica Williston. Syn., OpJiromyia Williston, December, 1891. 



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

 Megaparia vc.nosa Wulp. 



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

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



Megapollyon Walker, List Dipt. Brit. Mus., vol. 6, p. 452, 1854. 13 species. Type, 

 Mirrostyhim acutirostre Loew, the first species, by present designation. Equals Micro- 

 stylum Macquart, 1838. 



Megaprosopus Macquart, Dipt. P>xot., vol. 2, pt. 3, p. 83, 1843. 1 si)ecies. Type, 

 Mi'gaprompns rufiventris Macquart. 



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

 1 species. Type, Limnohia longirostris Meigen. Syn., IIel'mi> St. Fargeau and Ser- 

 ville, 1828; Leptorhina Stephens, 1829; Rhamplddia Meigen, 1830. 



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

 Type, Cnlex hcemorrhoidalis Fabricius. Syn., Li/ncJiiella Lahille, 1904. 



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

 coslalis von Roser (as crassinevra, new species). Syn., Trisoinetopia Lioy, 1864; 

 A]>hiorh:ti(t Brues, 1903. 



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

 ifeghypenis sudeticus Loew. 



Megistopoda Macquart, Ann. Soc. P^nt. France for 1852, p. 332, 1852. 1 species. 

 Type, Megistopoda pilatei Macquart. 



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

 Type, Psilopiis crinicornis Wiedemann. 



Meigenia Desvoidy, Essai Myod.,p. 198, 18.30. 2 species (as 11). Type, Tadiina 

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

 Hist. Nat. Dipt., vol. 1, 1863, p. 1065. Syn., Spylosia Rondani, 1856; Biplomera Lioy, 

 1864; Tenuiccra Pan dell e, 1896. 



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

 Type, Meigeniella hinei Coquillett. 



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

 Melaleuca spectahiiis Wulp. 



MelanocheliaHoj^DAm, Atti Soc. Ital. Sci. Nat., vol. 9, p. 5, 1866. 1 species. Type, 

 Limnophora exsurda Pandelle (as ^4 ric/a s?irrfa Zetterstedt). Equals Limnophora 

 Desvoidy, 1830. 



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

 Cale.r atratits Theobald, the first species, by designation of Dyar, Proc. Ent. Soc. 

 Washington, vol.7, 1905, p. 49. Syn., Moch/ostyra.v Dyar and Knab, April 15, 1906. 



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

 Melanodexia tristis Williston. 



