NO. 1719. TYPE-^PEVIEfi OF AMERICAN DIPTERA—COQUILLETT. 611 



Syntormon LoEw, Neue Beitr., vol. 5, p. 35, 1857. 5 species. Type, RhapMum 

 7neta(he-nfi Loew, the first species, by present designation. Syn., Plectropus Haliday, 

 1831, preoccupied; iSynarthrus hoEW, 1857. 



Syritta St. Fakgeau and Serville, Encycl. Meth., vol. 10, pt. 2, p. 808, 1828. 

 1 species. Type, Mufica pipiens Livi^jfais. Syn., Copnna Zetterstedt, 1837; Planes 

 Rondaxi, 1864. 



Syrphus Fabricius, Syst. Ent., p. 762, 1775. 49 species. Type, Musca lucorum 

 LiNNiEus, the nineteenth species, by designation of Curtis, Brit. Ent., 1839, p. 753. 

 Syn., ifttrosorja ScHiNER, 1860. (*%rp/i(ts of authors equals £^jo/s<rojo/iY' Walker.) 



Systoechus Loew, Neue Beitr., vol. 3, p. .34, 1855. 14 species (as 15). Tyjie, 

 Bo))il)!/lius sulpjlmrens Mikan, the sixth species, by present designation. 



Systropus Wiedemann, Nova Dipt. Gen., p. 18, 1820.* 1 species. Type, Syslropua 

 maci/e))tus WiEBESiA^N. Syn., G'/i/^emis Berthold, 1827. 



Tabanus Linn.eus, Syst. Natur., 10th ed., p. 601, 1758. 12 species. Type, 

 Tabdiiiis hurmus Linn^us, the first species, by designation of Latreille, Consider. 

 General., 1810, p. 443. Syn., Theriopledes Zeller, 1842; Brachystomus Costa, 1857; 

 Agelanius Jio^OAm, 1864; ^4<?/Zo<i(s Osten Sacken, 1876. 



Tabuda Walker, Ins. Saund., Dipt., p. 197, 1852. 1 species. Type, Tabudufnlripes 

 Walker. 



Tachina Meigen, Illiger's Mag., vol. 2, p. 280, 1803. 3 species. Type, 3fnsca gronsa 

 Linn.eus, the first species, by designation of Wachtl, Wien. Ent. Zeit., vol. 13, 1894, 

 p. 142. p]quals Larvaevora Meigen, 1800. ( Tachina of authors equals Exorista 

 Meigen. ) 



Tach modes Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 56, 

 p. 133, 1889. 1 species. Type, Musca hystrix Fabricius. Equals Archytas J^nnicke. 

 1867. 



Tachinomyia Townsend, Trans. Amer. Ent. Soc, vol. 19, p. 96,1892. 1 species. 

 Type, Tachinomyia robusta Townsend. Equals Exorista Meigen, 1803. 



Tachinophyto Townsend, Trans. Amer. Ent. Soc, vol. 19, p. 130, 1892. 1 species. 

 Type, 7h(]ii]iop]iyfof1ondensisTowi<!SK'ST>. Syn., Pseitdo7iiyoihyria Townsent), 1892; 

 Methyponiena Townsend, 1908; Lixophaga Townsend, 1908. 



Tachinopsis Coquillett, Rev. Tach., p. 38, 1897. 1 species. Type, Tachinopsis 

 mentalis Coquillett. 



Tachista Loew, Zeitschr. Ent. Breslau,vol. 14, p. 7,1860. 11 species. Type, Tachy- 

 dromia connexa, Meigen, the sixth species, by designation of Coquillett, Proc. Ent. 

 Soc. Washington, vol., 5, 1903, p. 258. Equals Coryneta Meigen, 1800. 



Tachydwmia Meigen, Illiger's Mag., vol. 2, p. 269, 1803. 2 species. Type, Tachy- 

 dromyia comiexa Meigen (as cimicoides Fabricius), the second species, by designation 

 of Coquillett, Proc. Ent. Soc. Washington, vol. 5, 1903, p. 258. Equals Coryneta 

 Mekjen, 1800. 



Tachypeza Meigen, Syst. Beschr. Zweifli. Ins., vol. 6, p. 341, 1830. 10 species. Type, 

 Tachydrornia nubila Mei(;en, the eighth species, by designation of Rondani, Dipt. Ital. 

 Prodr.. vol. 1, 1856, p. 147. 



Tachytrechus Haliday, in Walker's Ins. Britt., Dipt., vol. 1, p. 173, 1851. Change 

 of name for Anmobates Stannius, 1831, not of Latreille, 1809. Type, Ammobates 

 notatus Stannius. Syn., Ammobates Stannius, 1831, preoccupied; /Stonma Rondani, 

 1857; Macellocerus 'M^K, 1878. 



Tacina Walker, Ins. Saund., Dipt., p. 9, 1850. 3 species. Type, Pangonius micans 

 Meigen, the first species, by present designation. Equals Pangonius Latreille, 1802. 



Tirchobatps Haliday, Zool. Journ., vol. 5, p. 358, 1831. 2 species (as 3). Type, 

 Ilydrophorus jacrilvs Fallen, the first species, by present designation. Equals 

 Medetera Fischer, 1819. 



