NO. 1719. TYPE-SPECIES OF AMERICAN DIPTERA—COQUILLETT. 621 



[Xiphandrium Loew, Neue Reitr.,vol. 5, p. 36, 1857. 9 species. Type, Rhaph'mm 

 quadrifilum Loew, the first species, by present designation. Equals Rhaphium 

 Meigen, 1803. Not American.] 



Xiphidicera Macquart, Hist. Nat., Dipt., vol. 1, p. 356, 1834. 1 species. Type, 

 Xiphidicera rujipes Macquart. Equals CEdalea Meigen, 1820. 



XipJinra Brulle, Ann. Soc. Ent. France for 1832, p. 206, 1832. 1 species (as 2). 

 Type, Tipula atrata Linn/EUs. Equals Flabellifera INIeigen, 1800. 



Xylocrijpta Kiepper, Bull. Soc. Ent. France for 1899, p. 69, 1899. 1 species. Type, 

 Ceralopogon fnsciata Meigen. Equals Sphseromias Curtis, 1829. 



Xylomya Rondani, Dipt. Ital. Prodr., vol. 4, p. 11, 1861. Change of name for Sulnda 

 IMiegkn, 1820, not of SciirMACiiER, 1817. Type, Xylophagns vmndatua Meigen. 

 Equals Solva Walker, 1860. 



Xylophagns ISIeigen, Illiger's i\Iag., vol. 2, p. 266, 1803. 1 species. Type, Nemotelus 

 cinctus De Geer. Equals Erinna MEiciEN, 1800. 



Xyloia Meigen, Syst. Beselir. Zweifl. Ins., vol. 3, p. 211, 1822. 16 species. Type, 

 Musca segnis Linn^us, the ninth species, by designation of Curtis, Brit. Ent., 1832, p. 

 409. Equals Zelima Mekjen, 1800. 



Xylotaciiina Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol.58, 

 p. 342, 1891. 1 species. Type, Xylolachina ligniperd;v Brauer and Bergenstamm. 

 Equals Sturmia Desvoidy, 1830. 



Xylotivja Eondani, Nuovi Ann. Sci. Nat. ( Bologna) for 1844, p. 457, 1844. 1 species. 

 Type, Syrphus varus Panze?;. Equals Myolepta Newman, 1838. 



Yetodesia Rondani, Dipt. Ital. Prodr., vol. 4, p. 9, 1861. Change of name for Aricia 

 Desvoidy, 18.30, not of Savignv, 1817. Type, Musca impuvcta Fallen. Equals 

 Mydaea Desvoidy, 1830. ( Yetodesia of authors equals Phaonia Desvoidy.) 



Youngomyia Felt, 23d Rep. State Ent. N. Y., p. 398, 1908. 2 species. Type, 

 Dia'odlplosis podoph]iILr Felt, the first species, by original designation. 



Yposataa Rondani. Dipt. Ital. Prodr., vol. 1, p. 198, 1856. No species. Genus 

 formed of Lestrenna Macquart, Zygonenra INIeigen, and 3/?'mo.sf?'ora Rondani. Type, 

 Mimosci'ira molohrina Rondani (the type of Mimosciara), by present designation. 

 Equals Lestremia Macquart, 1826. 



Zabrachia Coquillett, Bull. 47, N. Y. State Mus.,p. 585, 1901. 1 species. Type, 

 Zabnichki polU(( Coquillett. 



Zacompsia Coquillett, PvUt. News., vol. 12, p. 15,1901. 1 species. Type, Z</romp- 

 siafiiha Coquillett. 



Zagonia Coquillett, Invert. Pacif., vol. 1, p. 27, 1904. 1 species. Type, Zagonia 

 flaia Coquillett. Syn., Sdigo Aldrich, 1908. 



Zaphne DE.>ivoiDY, Essai Myod., p. 527, 1830. 1 species (as 2). Type, Anthomyia 

 dirisa Meigen. 



Zelia Desvoidy, Essai Myod., p. 314, 1830. 5 species. Type, Dexia rerfebraia Say 

 (as rostrata, new species), the first species, by present designation. 



Zelima Meigen, Nouv. (Hass. Mouches, p. 34, 1800.* No species. Eumeros Meigen, 

 1803, is a change of name. Type, Musca segnis Linn^us. Syn., Eumeros Meigen, 

 1803; Ileliopluhis Meigen, 1803; Xylota Meigen, 1822; Micrapioiita Westwood, 1840. 



Zelinda Desvoidy, Hist. Nat. Dipt., vol. 1, p. 485, 1863. 1 species. Type, Musca 

 libatrix Panzer (as aunUenta, new species) . Equals Zenilla Desvoidy, 1830. 



Zelleria Desvoidy, Hist. Nat. Dipt., vol. 1, p. 985, 1863. 1 species (as 19). Tj'pe, 

 Tarlii)i(t simnlans Meicjen. Equals Exorista Meigen, 1803. 



Zelmira Meigen, Nouv. Class. Mouches, p. 16, 1800.* No species. Platyura Mei- 

 gen, 1803, is a change of name. Tyi)e, Platyura fasciata Meigen. Syn., Platyura 

 Meigen, 1803. 



Zenillia Desvoidy, P^ssai Myod., p. 152, 1830. 2 species (as 3). Type, Musca liba- 

 trix Panzer, the second species, by designation of Desvoidy, Hist. Nat. Dipt., vol. 1, 

 1863, p. 471. Syn., Nilea Desvoidy, 1863; Atilia Desvoidy, 1863; Clemelis Desvoidy, 



