no. 1719. TYPE-SPECIES OF AMERICA N DIPTERA— COQUILLETT. 617 



^ THnaria Mulsant, Mem. Acad. Lyons for 1852, p. 18, 1852.* 2 species. Type, 

 Anthrax rulila Wiedemann, the first species (as interrupta, new species), by present 

 designation. Equals Mima Meigen, 1820. 

 / .Tnneura M eigen. Illiger's Mag., vol. 2, p. 276, 1803. No species. In his Klass. 

 Beschr. Zweifl. Ins., 1804, pp. 313, 314, 4 species. Type, Musca aterrima Fabricius, the 

 first species (as atra, new species), by designation of Brues, Genera Insect., Dipt., 

 Phoridye, p. 8, 1906. Equals Phora Latreille, 1796. 



' Triodites Osten Sacken, Bull. 3, U. S. Geol. Surv., p. 245, 1877. 1 species. Type, 

 Triodites mus Osten Sacken. Equals Aphcebantus Loew, 1872. 

 *^ Triodonta Williston, Bull. Brooklyn Ent. Soc, vol. 7, p. 136, 1885. Change of name 

 for Pohjdonta Macquart, 1850, not of Fischer, 1807. Type, Merodon curvipes 

 Wiedemann. Not Triodonta Bory, 1824. Equals Polydontomyia Williston, 1896. 

 •/ Triogma Schiner, Wien. Ent. Monatschr., vol. 7, p. 223, 1863. 1 species. Type, 



Limnobia trisidcala Schummel. 

 i/ Triplasius Loew, Neue Beitr., vol. 3, p. 7, 1855. 1 species. Type, Bombylius 



bivittatus Loew. 

 </ Triptotricha Loew, Berliner Ent. Zeitschr., vol. 16, p. 235, 1872. 1 species. Type, 



Triptotricha lauta Loew. 

 ^ Trisomelopia Lioy, Atti Inst. Veneto, ser. 3, vol. 10, p. 77, 1864. 1 species. Type, 



Trisometopia thoracica Lioy. Equals Megaselia Rondani, 1856. 

 | Trisonevra Lioy, Atti Inst. Veneto, ser. 3, vol. 10, p. 68, 1864. 1 species. Type, 

 Dexia melania Meigen (as Ptilocera cilipennis Macquart). Equals Stevenia Des- 

 voidy, 1830. 



TritochMa Brauer and Beegenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 56, 

 p. 92, 1889. 1 species. Type, Tachina pullata Meigen (as prosopoides, new species). 

 Equals Zenilla Desvoidy, 1830. 

 ^ Trltonia Meigen, Nouv. Class. Mouches, p. 33, 1800.* No species. Spilomyia 

 Meigen, 1803, is a change of name. Type, Musca vespiformis Linnaeus. Not Tritonia 

 Cuvier, 1798. Equals Spilomyia Meigen, 1803. 

 ^ Tritoxa Loew, Monogr. Dipt. N. Amer., vol. 3, p. 102, 1873. 3 species. Type, 

 Trypeta flexa Wiedemann, the first species, by present designation. 

 ^ Trixa Meigen, Syst. Beschr. Zweifl.' Ins., vol. 4, p. 222, 1824. 6 species. Type, 

 Trixa dorsalis Meigen, the fifth species, by designation of Westwood, Intr., vol. 2, 

 Synops., 1840, p. 138. Syn., Murana Meigen, 1824; Crameria Desvoidy, 1830; Semi- 

 omyia Macquart, 1848; Amsteinia Am Stein, 1858. 

 ^ Trixoclista Townsend, Trans. Amer. Ent. Soc, vol. 19, p. 102, 1892. 1 species. Type, 



Trixoclista distincta Townsend. Equals Amobia Desvoidy, 1830. 

 <^ Trixodes Coquillett, Can. Ent., vol. 34, p. 201, 1902. 1 species. . Type, Trixodes 



obesa Coquillett. 

 ^ Trixostomus Rondani, Dipt. Ital. Prodr., vol. 1, p. 130, 1856. 1 species. Type, 

 Ephydra stagnalis Fallen. Equals Scatella Desvoidy, 1830. 



Trochilodes Coquillett, Trans. Amer. Ent. Soc, vol. 29, p. 102, 1903. 1 species. 

 Type, Trochilodes skinneri Coquillett. 



Trochobola Osten Sacken, Monogr. Dipt. N. Amer., vol. 4, p. 97, 1869. Change of 

 name for Discobola Osten Sacken, 1862, under the mistaken impression that the 

 latter is preoccupied by Discoboli. Type, Limnobia argus Say. Equals Discobola 

 jOsten Sacken, 1862. 



Tropidia Meigen, Syst. Beschr. Zweifi. Ins., vol. 3, p. 346, 1822. 2 species. Type, 

 Musca scita Harris (as Eristalis milesiformis Fallen), the second species, by designa- 

 tion of Curtis, Brit. Ent., 1832, p. 401. Syn., Milesiformis Rondani, 1844. 

 ^ Tropidomyia Williston, Can. Ent., vol. 20, p. 11, 1888. 1 species. Type, Tropi- 



domyia bimactdata Williston. 

 t ""^ Tropidopsis Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 56, 

 p. 132, 1889. 1 species. Type, Tachina pyrrhaspis Wiedemann. 



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