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558 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



^ Lasiomastix Osten Sacken, Proc. Acad. Nat. Sci. Phila. for 1859, p. 233, 1860. 

 1 species. Type, Limnobia macrocera Say. Equals Phylidorea Bigot, 1854. 



* Lasiona Wulp, Biol. Centr.-Araer., Dipt., vol. 2, p. 127, 1890. 1 species. Type, 

 Lasiona multisetosa Wulp. 



Lasioneura Coquillett, Journ. N. Y. Ent. Soc, vol. 3, p. 50, 1895. 2 species. 



Type, Lasioneura jolvisoni Coquillett, the first species, by present designation. 

 *S Lasidphthicus Rondani, Nuovi Ann. Sci. Nat. (Bologna) for 1844, p. 459, 1844. 



1 species. Type, Musca pyrastri Linnaeus. Equals Scaeva Fabricius, 1805. 

 s Lasiopogon Loew, Linn. Ent., vol. 2, p. 508, 1847. 3 species. Type, Dasypogon 



pilosellus Loew (as hirtellus Meigen), the second species, by designation of Rondani, 



Dipt. Ital. Prodr., vol. 1, 1856, p. 156. Syn., Daulopogon Loew, 1874. 

 ,/ Lasiops Meigen, Syst. Beschr. Zweifl. Ins., vol. 7, p. 323, 1838. 5 species. Type, 



Musca hirticeps Fallen, the fourth species, by designation of Coquillett, Journ. N. 



Y. Ent. Soc, vol. 9, 1901, p. 138. Equals Hydrotaea Desvoidy, 1830. {Lasiops of 



authors equals Opsolasia, new name. ) 

 i/ Lasioptera Meigen, Syst. Beschr. Zweifl. Ins., vol. 1, p. 88, 1818. 4 species. Type, 



Cecidoini/ia albipennis Meigen, the third species, by present designation. Syn., Dio- 



myza Meigen, 1818. 

 i/ Lasiosoma AVinnertz, Verh. Zool.-Bot. Ges. Wien, vol. 13, p. 748, 1863. 13 



species." Type, Sciophila pilosa Meigen, the fourth species, by present designation. 



Equals Sciophila Meigen, 1818. 

 ^ Lastaurus Loew, Bemerk. Asiliden, p. 11, 1851. 2 species. Type, Dasypogon 



anthracinus Loew, the first species, by present designation. Syn., Morimna Walker, 



1851. 

 ^ Lathyrophthalmus Mik, Wien. Ent. Zeit., vol, 16, p. 114, 1897. 1 species. Type, 



Conops leneus Scopoli. Equals Tubifera Meigen, 1800. 



* Latreillia Desvoidy, Essai Myod., p. 104, 1830. 5 species (as 10). Type, Musca 

 bifasciata Fabricius, the first species, by present designation. Not Latreillia Roux, 

 1827. Equals Belvosia Desvoidy, 1830. 



" Latreillimyia Townsend, Smiths. Misc. Coll., vol. 51, p. 105, 1908. Change of 



name for Latreillia Desvoidy, 1830, not of Roux, 1827. Type, Musca bifasciata 



Fabricius. Equals Belvosia Desvoidy, 1830. 

 ' Lauxania Latreille, Hist. Nat. Crust, et Ins., vol. 14, p. 390, 1805, 1 species. 



Type, Musca cylindricornis Fabricius. 

 ' inwnm'a Theobald, Journ. Trop. Med., vol. 5, p. 183, June 16, 1902. 1 species. 



Type, Anopheles argyritarsis Desvoidy. Not Laverania Grassi and Feletti, 1890. 



Equals Cellia Theobald, June 16, 1902. 

 " Leia Meigen, Syst. Beschr. Zweifl. Ins., vol. 1, p. 253, 1818. 10 species. Type, 



Lei a fascipennis Meigen, the fifth species, by designation of Curtis, Brit, Ent., 



1S,",7, p. 645. Syn., Lejomya Rondani, 1856; Ljejosoma Rondani, 1856; Glaphyrop- 



tera Winnertz, 1863; Neoglaphyroptera Osten Sacken, 1878. {Leia of authors equals 



Rondaniella, Johannsen.) 

 *s Lejogaster Rondani, Dipt. Ital. Prodr., vol. 2, p. 166, i857. 1 species. Type, 



Chrysogaster splendida Meigen (as tarsatus Meigen). P'quals Chrysogaster Meigen, 



1800. 

 •^ Lejomya Rondani, Dipt. Ital. Prodr., vol. 1, p. 195, 1856. 1 species. Type, Myce- 



tophila bimaculata Meigen. Equals Leia Meigen, 1818. 

 *S Lejops Rondani, Dipt. Ital. Prodr., vol. 2, p. 33, 1857. 1 species. Type, Mallota 



vittata Meigen. Equals Helophilus Meigen, 1822. 

 •^ Lejosoma Rondani, Dipt. Ital. Prodr., vol. 1, errata, 1856. Qhange of name of 



Lejomya Rondani, 1856. Type, Mycetoph ila bimaculata Meigen. Equals Leia Meigen, 



1818. 



Lemtopeza Macquart, Ins. Dipt. Nord France, Separata, p. 143, 1827. 1 species. 



Type, Ocydromia flavipes Meigen (as Jiavipes, new species). 



