590 PROCEEDINGS OF THE XATIONAL MUSEUM. vol.37. 



Phthinia Winnertz, Verb. Zool.-Bot. Ges. Wien, vol. 13, p. 779, 1863. 3 species. 

 Type, Phthinia hnmilis Winnertz, the first species, by designation of Johannsen, 

 Gen. Ins., Dipt, Mycet., 1909, p. 83. 



Phthiria Meigen, Illiger's Mag., vol. 2, p. 268, 1803. 1 species. Type, Bombylius 

 pulicarius Mikan. Syn., Cydorliynchus Macquart, 1840; P;rcilognathus J;ennicke, 

 1867. 



Phthiridium Hermann, Mem. Apter., pp. 12 and 15, 1804. 2 species. Type, 

 Phthiridinm biartimlafum Hermann, the second species, by present designation. 

 Eqnals Nycteribia Latreille, 1796. 



Phylarchus ALPRicn, Biol. Centr.-Amer., Dipt., vol. 1, p. 342, 1901. 1 species. 

 Type, Phylarchus tripartiUis Aldrich. 



Phylidorea Bigot, Ann. Soc. Ent. France for 1854, p. 456, 1854. 19 species. Type, 

 Limnobia ferruginea Meigen, the ninth species, by present designation. Syn., Pilaria 

 Sintensis, 1889; Lasiomastix Osten Sackex, 1860; Prionolabis Osten Sacken, 1860; 

 Dacfylolabis Osten Sacken, I860;- Dicrnnophragma Osten Sacken, 1860. 



Phyllodrumia Zetterstedt, Isis von Oken for 1837, p. 31, 1837. 3 species. Type, 

 Empis melanocephala Fabricius, the first species, by designation of Rondani, Dipt. 

 Ital. Prodr., vol. 1, 1856, p. 148. Equals Hemerodromia Meigen, 1822. 



Phyllogaster Stein, Berliner Ent. Zeitschr., vol. 42, p. 256, 1898. 1 species. 

 Type, Phyllogaster cordyluroides Stein. 



Phyllolabis Osten Sacken, Bull. 3, U. S. Geol. Surv., p. 202, 1877. 2 species. 

 Type, Phyllolabis claviger Osten Sacken, the first species, by present designation. 



' Phyllomydas Bigot, Bull. Soc. Ent. France for 1880, p. 46, 1880. 1 species. Type, 

 Phyllomydas phyllocerus Bigot. Equals Mydas Fabricius, 1794. 



Phyllomyza Fallen, Spec. Ent. Meth. Exh., p. 20, 1810. No species. In his 

 Phytom. et Ocht. Sveciiie, 1823, p. 8, 1 species. Type, Phyllomyza securicornis 

 Fallen. 



Phyllophaga Rondani, Dipt. Ital. Prodr., vol. 1, p. 199, 1856. 1 species. Type, 

 Ceddomyiafasca Meigen. Equals Asphondylia Loew, 1850. 



Phyllophila Lioy, Atti Inst. Veneto, ser. 3, vol. 9, p. 1313, 1864. 1 species. Type, 

 Agromyza pallipes Macquart. Equals Agromyza Fallen, 1810. 



Physecrania Bigot, Ann. Soc. Ent. France for 1859, p. 123, 1859. 1 species. Type, 

 Physecrania obscura Bigot. Equals Caloptera Guerin, 1829. 



Physegenua Macquart, Dipt. P^xot., Suppl. 3, p. 60, 1848. 1 species. Type, 

 Physegenua vittata Macquart. 



Physiphora Fallen, Spec. Ent. Meth. Exh., p. 11, 1810. No species. In his 

 Seen, et Con. Svecise, 1817, p. 3, 1 species. Type, 3fnsca demandafa Fabricius (as 

 splendida, new species). Syn., C/ir2/so????/2a Fallen, 1817; [/Mia Meigen, 1826; Chloria 

 Schiner, 1862. 



Physocephala Schiner, Wien. Ent. Monatschr., vol. 5, p. 137, 1861. 1 species. 

 Type, Conops rufipes Fabricius. 



Phyto Desvoidy, Essai Myod., p. 218, 1830. 1 species (as 4). Type, Tachina me- 

 lanocephala Meigen. Syn., Noma Desvoidy, 1830; Savia Rondani, 1861; KocHa 

 Desvoidy, 1863. 



Phytobia Lioy, Atti Inst. Veneto, ser. .'5, vol. 9, p. 1313, 1864. 1 species. Type, 

 Agromyza errans Meigen. Equals Agromyza Fallen, 1810. 



Phytomyza Fallen, Spec. Ent. Meth. Exh., p. 21, 1810. 1 species. Type, 

 Phytomyzajlaveola Fallen. Syn., Chromatomyia Hardy, 1849. 



Phytophaga Rondani, Sopra Nuov. Gen. Ins. Dipt., p. 12, 1840.* 1 species. 

 Type, Cecidomyia destructor Say (as cerealis, new species). Syn., Mayetia Kiefper, 

 1896. 



Pialoidea Westwood, Trans. Ent. Soc. Lond. for 1876, p. 514, 1876. 1 species. 

 Type, Cyrius magnus Walker. 



