566 PROCEEDINGS OF THE NATIONAL MUSEUM. voh.3% 



^ Megacyttarus Bioot, Bull. Soc. Ent. France for 1880, p. 47, 1880. 1 species. Type, 



Rhamphomyia limbata Loew (as argenteus, new species). Equals Dionnsea 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-Linmcan and not since used in the 



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

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



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



Pantophthalmus Thunberg, 1819. 

 "" Megamerina Rondani, Dipt. Ital. Prodr., vol. 4, p. 10, 1861. Change of name for 



Lissa Meigen, 1826, not of Leach, 1815. Type, Ocyptera doll ion Fabricius. Hyn., 



Lism 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, 



Ophromyia naslca Williston. Syn., Ophromyia Williston, December, 1891. 

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



Megaparia venosa Wulp. 

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



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

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



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



stylum Mac-quart, 1838. 

 i/ Megaprosopus Macquart, Dipt. Exot., vol. 2, pt. 3, p. 83, 1843. 1 species. Type, 



Megaprosopus rufiventris Macquart. 

 y Megarhina St. Fargeau and Serville, Encycl. Meth., vol. 10, pt. 2, p. 5,85, 1828. 



1 species. Type, Lhnnobla longirostris Meigen. Syn., Helius St. Fargeau and Ser- 

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

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



Type, Culex hsemorrhoidalis Fabricivs. Syn., Lynchiella Lahiixe, 1904. 



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



costalis von Roser (as crassineura, new species). Syn., Trisometopia Lioy, 1864; 



Aphiochxta Brues, 1903. 

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



Meghyperus sudetirus Loew. 

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



Type, Megistopoda pilatei Mac-quart. 

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



Type, Psilopus crinlcornis Wiedemann. 



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



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



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



1864; Tenuieera Pandelle, 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 spectabilis Wulp. 

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



Liiunophora exsurda Pandelle (as Aricia surda Zetterstedt). Equals Limnophora 



Desvoidy, 1830. 

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



Culex atratus Theobald, the first species, by designation of Dyar, Proc. Ent. Soc. 



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

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



Melanodexia tristis Williston. 



