622 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 37. 



1863; Zelinda Desvoidy, 1863; Sagaris Desvoidy, 1863; Elpe Desvoidy, 1863; Trito- 



chxta Beauer and Bergenstamm, 1889; Myxexorista Brauer and Bergenstamm, 1891. 

 4/ Zetterstedtla Rondani, Nuovi Ann. Sci. Nat. (Bologna) for 1844, p. 452, 1844. 1 



epecies. Type, Syrphus clmblciformis Fallen. Equals Mallota Meigen, 1822. 

 ,/ Zetterstedtla Desvoidy, Hist. Nat. Dipt., vol. 1, p. 1024, 1863. 1 species (as 14). 



Type, Tachina simulans Meigen. Equals Exorista Meigen, 1803. 

 / Zodion Latreille, Precis, p. 162, 1796. No species. In his Hist. Nat. Crust, et 



Ins., vol. 3, 1802, p. 444, 1 species. Type, Myopa cinerea Fabricius. 

 * Zonosema Loew, Monogr. Trypet., p. 39, 1862.* 1 species. Type, Trypeta meigeni 



Loew. 

 i/ Zygobolhria Mik, Wien. Ent. Zeit., vol. 10, p. 193, 1891. 1 species. Type, Sturmia 



atropivora Desvoidy. Equals Sturrnia Desvoidy, 1830. 

 i/ Zygomyia Winnertz, Verh. Zool.-Bot. Ges. Wien, vol. 13, p. 901, 1863. 6 



species. Type, Mycetophila vara Stager, the second species, by designation of 



Johannsen, Gen. Ins., Dipt., Mycet., 1909, p. 112. 

 *s Zygoneura Meigen, Syst. Beschr. Zweifl. Ins., vol. 6, p. 304, 1830. 1 species. 



Type, Zygoneura sciarina Meigen. 



