554 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Hydrodromia M.\cquart, Hist. Nat., Dipt., vol. 2, p. 658, 1835. 2 species. Type, 

 Heleodromia stagnaUs Haliday, the second species, by designation of CotjuiLLETT, 

 Proc. Ent. Soc. Washington, vol. 5, 1903, \>. 251. 



Hydromyza Fallen, Kongl. Vet. Acad. Handl. for 1813, p. 243, 1813. 1 species. 

 Type, 3/*f,sca //(¥/(« Fabricius. Syn., i\njj/i«r/a Desvoidv, 1830. 



Hydrophoria Desvoidy, Essai Myod., p. 503, 1830. 6 species (as 9). Type, Musca 

 vespertina Fallen (as lUtoralis, new species), the last species, by designation of West- 

 wood, Intr., vol. 2, Synops., 1840, p. 142 (as nigrita Fallen). Syn., Ilebecnema 

 Schnabl, 1889. (Ih/drophoria of authors equals Zaphne Desvoidy. ) 



Ilijdrophorus Fallen, Monogr. Dolich. Svecije, p. 2, 1823. 7 species. Type, Ilydro- 

 p]iorus jaeuhis Fallen, the last species, by designation of Macquart, Recueil Soc. Sci. 

 Arts Lille for 1827, p. 249. Equals Medetera Fischer, 1819. {Ilydrophurus of authors 

 equals ApJirozeia Perrls.) 



Ilgdropota Rondani, Dipt. Hal. Prodr., vol. 4, p. 10, 1861. Change of name for 

 Hydrdlia Desvoidy under the mistaken impression that it is interfered with by 

 Hydrdki Hubner. Type, Notiphila Jiaviceps Meigen. Equals Hydrellia Desvoidy, 

 1830. 



Hydrotaea Desvoidy, Essai Myod., p. 509, 1830. 12 species (as 17). Type, Musca 

 meteorica LinnyEus, the eleventh species, by designation of Curtis, Brit. Ent., 1839, 

 p. 768. Syn., Lasiops Meigen, 1838; Onodontha Kondani, 1856; Psilopiera Lioy, 

 1864; Microcera Lioy, 1864. 



Hygrella Haliday, Ann. Nat. Hist., vol. 3, p. 223, 1839. 2 species. Type, Notiphila 

 nitidula Fallen, the first species, by designation of Westwood, Intr., vol. 2, Synops., 

 1840, p. 153. Equals Psilopa Fallen, 1823. 



Hygroceleuthus Loew, Neue Beitr., vol. 5, p. 10, 1857. 3 species. Type, Dolichopus 

 laiipennis Fallen, the first species, by present designation. Equals Dolichopus 

 Latreille, 1796. 



Ilygrophila Lioy, Atti Inst. Veneto, ser. 3, vol.9, p. 1102, 1864. 1 species. Type, 

 Epltydra coarctata Fallen? (as fascijJemds Macquart?, an error for fascipennis) . 

 Equals Napaea Desvoidy, 1830. 



Hylemya Desvoidy, Essai Myod., p. 550, 1830. 11 species (as 16). Type, Musca 

 strigosa Fabricius (as strennn and plebeia, new species), the first species, by designa- 

 tion of Rondani, Dipt. Ital. Prodr., vol. 1, 1856, p. 96. Syn., Delia Desvoidy, 1830; 

 ^(/ma Desvoidy, 1830; Musciosoma Lioy, 1864; Gastrolepta IjIoy,1864:; Nevrota Tuioy, 

 1864; Pachystoma Lioy, 1864. 



Hylephila Rondani, Dipt. Ital. Prodr., vol. 6, p. 13, 1877. 1 species. Type, Musca 

 huccata Fallen. P^quals Leucophora Desvoidy, 1830. 



J/yper/r« Desvoidy, Hist. Nat. Dipt., vol. 2, p. 379, 1863. 1 species. Tyyte, Hyperiea 

 abdominalis Desvoidy. Equals Stevenia Desvoidy, 1830. 



Hyperalonia Rondani, Arch. Zool., vol. 3, p. 57, 1864. 13 species. Type, 

 Stornoxys morlo Fabricius (as Anthrax erythrocephala Fabricius), the fifth species, by 

 present designation. Syn., TWoda Coquilleit, 1886. 



Hyperdiplosis Felt, 23d Rep. State Ent. N. Y.,p. 405, 1908. 1 species. Type, 

 Cecidomyia lohata Felt. 



Hyperecteina Schiner, Wien. Ent. Monatschr.,vol. 5, p. 143, 1861. 1 species. Type, 

 Hyperecteina mctopina Schiner. Syn., Admontia Brauer and Bergenstamm, 1889. 



Hypertrophocera Townsend, Trans. Amer. Ent. Soc, vol. 18, p. 360, 1891. 1 species. 

 Type, Ify]iertru})hocera parvipes TowNSEtiu. Syn., Ncotractocera TowasK^v, 1892. 



Hyphantrophaga Townsend, Psyche, vol. 6, p. 247, 1892. 1 species. Type, Meigenia 

 hyphantriie Townsend. 



Hypocera Lioy, Atti Inst. Veneto, ser. 3, vol. 10, \^. 78, 1864. 3 species. Type, 

 Trincura mordellaria Fallen, the first si^ecies, by designation of Brues, Gen. Ins., 

 Dipt., Phoridaj, 1906, p. 6. Syn., Nemosia Lioy, 1864; Gymnoptera IjIOY, 1864. 



