NO. 1719. TYPE-8PECTE8 OF AMERICAN DIPTERA—COQUILLETT. 597 



Psilocephala Zetterstedt, Ins. Lapp., p. 525, 1838. 3 species. Type, Bibio 

 imberbis Fallen, the second species, by present designation. 



Psilocurus LoEw, Berliner Ent. Zeitschr , vol. 18, p. 373, 1874. 1 species. Type, 

 Psilocmms nudiusculus hoEW. Syn., Orthoneuromyia WiLhisTO's, 1893. 



Psilometopia Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 990, 1864. 1 species. 

 Type, fChortophila CcTsia Macquart. Ecjuals Pegomya Desvoidy, 1830. 



Psilomyia Latreille, in Cuvier's Regne Anim., new ed., vol. 5, p. 525, 1829. 

 Change of name for Psila Meigen, 1803, on account of an alleged similar name in 

 the Hemiptera. Type, Musca fimetaria Linnaeus. Equals Psila Meigen, 1803. 



Psilopa Fallen, Hydrom. Sveciw, p. 6, 1823. 4 species. Type, Notiphila nitidula 

 Fallen, the last species, by designation of Rondani, Dipt. Ital. Prodr., vol. 1, 1856, 

 p. 132. Syn., Hygrella Haliday, 1839; Ephygrobia Schiner, 1862; Diasemocera Bezzi, 

 1895. 



Psilapodinus Bigot, Bull. Soc. Ent. France for 1888, p. 24, 1888. 1 species. Type, 

 Dolichopus plaiypterus Fabricius. Equals Sciapus Zeller, 1842. ( Psilopodinus of 

 authors equals Megistostylus Bigot. ) 



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

 Psilopns Meigen, 1824, not of Poli, 1795. Type, Dolichopus platypterus Fabricius. 

 Equals Sciapus Zeller, 1842. 



Psiloptera Lioy, Atti Inst. Yeneto, ser. 3, vol. 9, p. 906, 1864. 1 species. Type, 

 Musca irritans Fallen. Equals Hydrotaea Desvoidy, 1830. 



Psiloptis Meigen, Syst. Beschr. Zweifl. Ins., vol. 4, p. 35, 1824. 7 species. Type, 

 Dolichopus platypterus Fabricius, the second species, by designation of Westwood, 

 Intr., vol. 2, Synops., 1840, p. 134. Not Psilopus Poli, 1795. Equals Sciapus 

 Zeller, 1842. 



Psilosoma Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1118, 1864. 1 species. Type, 

 Anthomyza gracilis Fallen. Equals Anthomyza Fallen, 1810. 



Psilota Meigen, Syst. Beschr. Zweifl. Ins., vol. 3, p. 256, 1822. 1 species. Type, 

 Psilota anthracina Meigen. 



Psilotanypus Kieffer, Mem. Soc. Sci. Bruxelles, vol. 30, p. 318, 1906. No species. 

 In Gen. Ins., Dipt., Chir., 1906, p. 38, 7 species. Type, Tanypus bellus Loew, the 

 first species, by present designation. 



Psorophora Desvoidy, Mem. Soc. Hist. Nat. Paris, vol. 3, p. 412, 1827. 2 species. 

 T\ pe, Cnle.r cUiatus Fabricius, the first species, by designation of Theobald, Monogr. 

 Culicidie, vol. 1, 1901, p. 263. . 



Psychoda Latreille, Precis, p. 152, 1796. No species. In his Hist. Nat. Crust, 

 et Ins., vol. 3, 1802, p. 424, 1 species. Type, Tipula phahenokles Linnaeus. Syn., 

 P/iate?irtZa Meigen, 1800; T!r*c/iop<era Meigen, 1803; Trnmria Schellenberg, 1803. 



Ptecticus Loew, Verh. Zool.-Bot. Ges. Wien, vol. 5, p. 142, 1855. 5 species. 

 Type, Sargus testaceus Fabricius, the last species, by original designation. 



Pterallastes Loew, Berliner Ent. Zeitschr,, vol. 7, p. 317, 1863. 2 species. Type, 

 Pterallastes thoracicus Loew, the first species, by designation of Osten Sacken, Cat. 

 Dipt. N. Amer., 1878, p. 250. 



Pterellipsis Coquillett, Can. Ent., vol. 31, p. 333,1899. 1 species. Type, Pterel- 

 lipsis aranav Coquillett. 



Pterocalla Rondani, Ins. Ditt. Brasil, p. 83, 1848. 1 species. Type, Dictya ocellata 

 Fabricius. 



Pterocera Meigen, Illiger's Mag., vol.2, p. 275, 1803. 4 species. Type, Musca pel- 

 lucens LiNN.Eus, the second species, by present designation. Equals Volucella 

 Geoffroy, 1762. 



Pterocosmus Walker, List. Dipt. Brit. Mus., vol. 1, p. 78, 1848. 2 species. Type, 

 Pterocosmus hilpa Walker, the second species, by present designation. Equals 

 Caloptera Guerin, 1829. 



