610 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Stj/lidia Westwood, Intr., vol. 2, Synops., p. 154, 1840. 1 species. Type, Phthi- 

 ridium biarticulatum Hermann. Ecjuals Nycteribia Latreille, 1796. 



Stj/loconiii LioY, Atti Inst. Veneto, ser. 3, vol. 9, p. 1009, 1864. 1 species. Type, 

 Sapromyza iuhifer Mbigen ? Equals Sapromyza Fallen, 1810. 



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

 Conops nti/l(it(i Fabricius. Syn., StylomyUi Westwood, 1850; Plychoprodus Bigot, 

 1859. 



Stylo)nyi(t Westwood, Proc. Zool. Soc. Lond., vol. 18, p. 268, 1850. 2 species. 

 Type, St>jl())nyiu leonam Westwood, the first species, by present designation. Equals 

 Stylogaster Macquart, 1835. 



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

 ScopoLi. Syn., Chrysopilns Macquart, 1826. 



Subclytia Pandelle, Rev. Ent., vol. 13, p. 96, 1894. 1 species. Type, Tacfdna 

 rotund iventris Fallen. Equals Eliozeta Rondani, 1856. 



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

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

 Walker, 1860. 



Suillia Desvoidy, Essai Myod., p. 642, 1830. 12 species. Type, HeJeomyza rnfa 

 Fallen {&s fungoi-um, new species), thesecond species, by present designation. Syn., 

 Herbina Desvoidv, 1830. 



Sylvia Desvoidy, Essai Myod., p. 636, 1830. 5 species. Type, Sylvia apicalis Des- 

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



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

 f enestralis Scopohi {as brevis, new species), the thirteenth species, by present desig- 

 nation. Syn., Phryne Meigen, 1800; Anisopus Meigen, 1803; lUiyphus Latreille, 

 1805. 



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

 Myeetobia annulata Meigen (as ferrugineus, new species). Syn., Plesiadina Win- 

 nertz, 1852. 



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

 1 species. Type, Atherix melsena Meigen. 



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

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

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

 preoccupied; IdioneuraViiuAvvi, 1865; Sympledomorpha Mik, 1886. 



Symplecfoniorplia Mik, Wien. Ent. Zeit., vol. 5, p. 318, 1886. 2 species. Tyjte, 

 Limnobia sfictica Meigen, the first species, by original designation. Equals Sym- 

 plecta .AIeigen, 1830. 



Sympycnus Loew, Neue Beitr., vol. 5, p. 42, 1857. 5 species. Type, Porphyrops 

 anmdipes Meigen, the first species, by present designation. 



Synarthrus Loew, Neue Beitr., vol. 5, p. 35, 1857. 1 species. Type, Hydroclms 

 tarsatus Fallen. Equals Syntormon Loew, 1857. 



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

 Type, Si/udyas 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. Anier. Ent. Soc, vol. 29, p. 383, 1903. 1 species. Type, 

 PJiora a)rcipliila, Coquillett. 



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

 Type, Synlernna viorosa Winnertz. 



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

 vol. 60, ]) 96, 1893. 1 species. Type, Synihesioniyin. brasiliana Brauer and 

 Bergenstamm. 



