614 PROCEEDINGS OP THE NATIONAL MV8EVM. vol. ST. 



Thalassomya Schiner, Verb. Zool.-Bot. Ges. Wien, vol. 6, p. 219, 1856. 1 

 species. Type, Tlialassomyafrauenfeldi ScniriER. 



Thamnodromia Mik, Wien. Ent. Zeit., vol. 5, p, 278, 1886. Chaiige of name for 

 Phyllodromin Zktterstedt, 1837, not of Serville, 1889. Type, Empis melanocephala 

 Fabrk lus. Equals Hemerodromia Meigen, 1822. 



Thnpda Desvoidy, Hist. Nat. Dipt., vol. 1, p. 689, 1863. 1 species. Type, Tarhinn 

 albicollit Meigen. Equals Neasra Desvoidy, 1830. 



Thainmdea Ruthe, Isis von Oken for 1831, p. 1211, Nov., 1831. 1 species. Type, 

 Orphnephila devia Haliday (as festacea, new species). Equals Orphnephila Hai.iday, 

 September, 1831. 



Thecophora Roxdani, Nuovi Ann. Sci. Nat. (Bologna) for 1845, p. 15, 1845. 1 

 species. Type, Mijopa atra Fabricius. Syn., Occemya Desvoidy, 1853. 



Thelairia Desvoidy, Essai Myod., p. 214, 1830. 1 species (as 2). Type, Mnsea 

 nigripcs Fabricius. 



Thelairodes Wi'LP, Biol. Centr.-Amer., Dipt., vol. 2, p. 254, 1891. 3 species. 

 Type, Homodexid rittigera Bigot, tbe first species, by designation of Brauer and 

 Bergenstamm, Deiikscbr. Kais. Akad. Wiss. Wien, vol. 58, 1891, p. 377. 



Themira Desvoidy, Essai Myod., p. 745, 1830. 2 species. Type, Thendra pllosa 

 Desvoidy, tbe first species, by present designation. Syn., Cheligaster MAajUART, 

 1835; H, did aim Rondani, 1856. 



Theobaldia Neveu-Lemaire, Compt. Rend. Soc. Biol., vol. 54, p. 1331, 1902. 1 

 species. Type, CuZea; onmttows Schrank. Syn., Theobald inella Bla-sch art), 1905. 



TJieohaldinella Blanchard, Les Moust., p. 390, 1905. Change of name for Theo- 

 baldia Neveu-Lemaire, 1902, under the mistaken impression that it interferes with 

 Theobaldius Neville. Type, Cidex annulatus Schrank. Equals Theobaldia Neveu- 

 Lemaire, 1902. 



Theone Desvoidy, Hist. Nat. Dipt., vol. 2, p. 401, 1863. 1 species (as 2). Type, 

 Tachina poljioddn Meigen. Elquals Amobia Desvoidy, 1830. 



Theresia Desvoidy, Essai Myod., p. 325, 1830. 1 species. Type, Theresia fnndrec 

 Desvoidy. Syn., »Varrf/ocera Brauer and Bergenstamm, 1889. 



Thereva Latreille, Precis, p. 167, 1796. No species. In his Hist. Nat. Crust, et 

 Ins., vol. 3, 1802, p. 441, 1 species. Type, Musca pleheja Linn^us. Syn., IHaUnenra 

 Rondani, 1856. 



Therioplecles Zeller, Isis von Oken for 1842, p. 819, 1842. 8 species. Type, 

 Tabanus tricolor Zeller, the first species, by present designation. Equals Tabanus 

 Linnaeus, 1758. 



Thevenemyia Bigot, Bull. Soc. Ent. France for 1875, p. 174, 1875. 1 species. Type, 

 Thevenemyia califor)nca Bigot. Equals Eclimus Loew, 1844. 



Thinodromia Melander, Ent. News, vol. 17, p. 370, 1906. 1 species. Type, 

 Thi7iodromia inclioata Melander. 



Thinophilus Wahlberg, Ofv. Kongl. Vet. Akad. Furh., vol. 1, p. 37, 1844. 2 species. 

 Type, Rhnphium Jlavipalpe Zetterstedt, the first species, by designation of Zetter- 

 stedt, Dint. Scand., vol. 8, 1849, p. 3101. 



Thricops Rondani, Dipt. Ital. Prodr., vol. 1, p. 96, 1856. 1 species. Type, Aricia 

 hirtula Zetterstedt. Syn., Tricophthirnn Rondani, 1861; Rhynchotricho}>s Schnabl, 

 1889. 



Thrycolyga Rondani, Dipt. Ital. Prodr., vol. 1, p. 68, 1856. 1 species. Type, 

 Thrycolyga nova Rondani. Syn., Scolia Desvoidy, 1863. 



Thrypticus Gerst.ecker, I<'.nt. Zeit. Stettin, vol. 24, p. 43, 1864. 1 species. Type, 

 Thryptiais smaragdinus Gerst.ecker. Syn., Aphantotimus Wheeler, 1890; Zantho- 

 tricha Aldrich, 1896. 



Thryptocera Macquart, Recueil Trav. Soc. Sci. Lille for 1834, p. 310, 1834. 9 

 species. Type, Tachina pilipennis Fallen, the ninth species, by designation of Ron- 



