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.-Amer., Dipt., vol. 2, p. 127, 1890. 1 species. Type, 

 LaRiona inullheloi^a Wulp. 



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

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



Ijattiophtliicus RoNDANi, Nuovi Ann. Sci. Nat. (Bologna) for 1844, p. 459, 1844. 

 1 species. Type, Mnsca pyrastri Linn^kus. P^quals Scaeva Fabricius, 1805. 



Lasiopogon LoEW, Linn. Ent., vol. 2, p. 508, 1847. 3 species. Type, Dastipogon 

 pUosellus LoE\v(as Jiirtellus Meigen), the second species, by designation of Rondani, 

 Dipt. Ital. Prodr., vol. 1, 1856, p. 156. S'yn., Daulopogon Loew, 1874. 



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

 Musra liirticeps Fallen, the fourth species, by designation of CoQuiLLErr, Journ. N. 

 Y. Ent. Soc, vol. 9, 1901, p. 138. Equals Hydrotsea Desvoidv, 1830. {Lasiojjsoi 

 authors equals Opsolasia, new name. ) 



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

 CecidoDiijia albipenvis Meigen, the third species, by present designation. Syn., Dio- 

 myza Meigen, 1818. 



Lasiosoma Winnertz, Verh. Zool.-Bot. Ges. Wien, vol. 13, p. 748, 1863. 13 

 species. Type, SciopJdla pilosa Meigen, the fourth species, by present designation. 

 Equals Sciophila Meigen, 1818. 



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

 anthrarinus Loew, the first species, by present designation. Syn., Morhnna Walker, 

 1851. 



La(Iiyropht]talmiis Mik, Wien. Ent. Zeit., vol, 16, p. 114, 1897. 1 species. Type, 

 Conops peneus Scopoli. Equals Tubifera Meigen, 1800. 



ia^retViia Desvoidy, Essai Myod., p. 104, 1830. 5 species (as 10). Type, Musca 

 bifasciata Fabricius, the first species, by present designation. Not LatreiWa 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, 18.30. 



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

 Type, Musca cylindricornis Fabricius. 



Laverania Theohald, Journ. Trop. Med., vol. 5, p. 183, June 16. 1902. 1 species. 

 Type, Anopheles argyritar.^is Desvoidy. Not Larerania Grassi and Feletti, 1890. 

 Equals Cellia Theobald, June 16, 1902. 



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

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

 1837, p. 645. Syn., Lejoviya Rondani, 1856; Lejosoma Rondani, 1856; Glaphyrop- 

 iera Winnertz, 1863; Neogl((phyroptera Ostes Sacked, 1878. (Lei(( of authors equals 

 Rondaniella, Johannsen.) 



Lejogasfer Rondani, Dipt. Ital. Prodr., vol. 2, p. 166, 1857. 1 species. Type, 

 Clirysogaster splendida Meicjen (as tarsatus Meigen). Equals Chrysogaster Meigen, 

 1800. 



Ze/o»»/tt Rokdani, Dipt. Ital. Prodr., vol. 1, p. 195,1856. 1 species. Type, Myee- 

 iophila bimaculata Meigen. Equals Leia Meigen, 1818. 



Lejops Rondani, Dipt. Ital. Prodr., vol. 2, p. 33, 1857. 1 si:)ecies. Tyjie, Mallota 

 vitlata Meigen. Equals Helophilus Meigen, 1822. 



Lejosoma Rondani, Dipt. Ital. Prodr., vol. 1, errata, 1856. Change of name of 

 Lejomya Rondani, 1856. Tyi)e, Mycelophila binucndata. Meigen. Equals Leia Meigen, 

 1818. 



Lemtopeza MACtiUARr, Ins. Dipt. Nord Fraiui', Separata, p. 143, 1827. 1 species. 

 Type, Oeydromia Jiavipes Meigen {■as Jiavlpes, new species). 



