610 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Siylidia Westwood, Intr., vol. 2, Synops., p. 154, 1840. 1 species. Type, Phihi- 

 ridiuni Marti culntum Hermann. Equals Nycteribia Latreille, 1796. 



Stijlocoina Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1009, 1864. 1 species. Type, 

 Sapromijzn ftihifer Mbk^en? J^quals Sapromyza Fallen, 1810. 



Stylogaster Macquart, Hist. Nat., Dipt., vol. 2, p. 38, 1835. 1 species. Type, 

 Conops xlyhitd Fabricius. Syn., SiylomyUi Westwood, 1850; Ptychoproctus BinoT, 

 1859. 



Stylomyia Westwood, Proc. Zool. Soc. Lond., vol. 18, p. 268, 1850. 2 species. 

 Type, Stylomyia leonum Westwood, the first species, by present designation. Equals 

 Stylogaster Macquart, 1835. 



Styrex Scopoli, Ent. Carn., p. 367, 1763. 1 species. Type, Styrex JioloKericcus 

 ScopoLi. Syn., Chrysopihis Macquart, 1826. 



Subdyfia Pandelle, Rev. Ent., vol. 13, p. 96, 1894. 1 species. Type, Tachina 

 rotundiventris Fallen. Equals Eliozeta Rondani, 1856. 



Subida Meigen, Syst. Beschr. Zweifl. Ins., vol. 2, p. 14, 1820. 1 species. Type, 

 Xylophagus maculains Meigen. Not Snbula Schumacher, 1817. Equals Solva 

 Walker, 1860. 



Suillia Desvoidy, Essai Myod., p. 642, 1830. 12 species. Type, Heleomyza rvfa 

 Fallen {as fun gorum, new species), the second species, by present designation. Syn., 

 Ilerbina Desvoidy, 1830. 



Sylria. Desvoidy, Essai Myod., p. 636, 1830. 5 species. Type, Sylrid. apicalls Des- 

 voidy, the first species, by present designation. Equals Sapromyza Fallen, 1810. 



Sylvicolae Harris, Exp. Engl. Ins., p. 100, 1776. 16 species. Type, Tipula 

 fcnestrdlis Scopoli (as brevis, new species), the thirteenth species, by present desig- 

 nation. Syn., Pltryne Meigen, 1800; Anisopvs MEUiEN, 1803; lUniplm^^ Latreille, 

 1805. 



Symmerus Walker, List Dipt. Brit. Mus., vol. 1, p. 88, 1848. 1 species. Type, 

 Mycetobia annulnta Meigen {aa ferrugineus, new species). Syn., Plesiastina Win- 

 NERTZ, 1852. 



Symphoromyia Frauenfeld, Verb. Zool.-Bot. Ges. Wien, vol. 17, p. 496, 1867. 

 1 species. Type, Atherix melirna Meigen. 



Symplecta Meigen, Syst. Beschr. Zweifl. Ins., vol. 6, p. 282, 1830. 2 species. 

 Type, Limonia Jiybrida Meigen, the first species, by designation of Westwood, 

 Intr., vol. 2, Synops., 1840, p. 128. Syn., Helobia St. Fargeau and Serville, 1828, 

 preoccupied; /diongura Philippi, 1865; Sympleciomorpha Mik, 1886. 



Sympledoniorpha Mik, Wien. Ent. Zeit., vol. 5, p. 318, 1886. 2 species. Type, 

 Limnohia stictica Meigen, the first species, by original designation. Equals Sym- 

 plecta Meigen, 1830. 



Sympycnus LoEW, Neue Beitr., vol. 5, p. 42, 1857. 5 species. Type, I'orphyrops 

 anmdipes Mekjen, the first species, by present designation. 



SynartJirits Loew, Neue Beitr., vol. 5, p. 35, 1857. 1 species. Type, Hydrochus 

 tarsfdiis Fallen. Equals Syntormon Loew, 1857. 



Syndyas Loew, Ofv. Kongl. Vet. Akad. Fiirh., vol. 14, p. 369, 1857. 2 species. 

 Type, Syndyas opaca Loew, the first species, by designation of Coquillett, Proc. 

 Ent. Soc. Washington, vol. 5, 1903, p. 257. 



Syneches Walker, Ins. Saund., Dipt., p. 165, 1852. 1 species. Type, Syneches 

 simplex Walker. Equals Acromyia Latreille, 1809. 



Syneura Brues, Trans. Amer. Ent. Soc, vol. 29, p. 383, 1903. 1 species. Type, 

 PJtora corrij/Jiila Coquillett. 



Syntemna Winnertz, Verb. Zool.-Bot. Ges. Wien, vol. 13, p. 767, 1863. 1 species. 

 Type, Syntemna rnorosa Winnertz. 



Synthesiomyia Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, 

 vol. 60, p 96, 1893. 1 species. Type, Synthesiomyia hrasiliana Brauer and 

 Bergenstamm. 



