OF WASHINGTON. 2f>5 



Pachypcza Lioy, Atti Ins. Ven., 723, 1864; not of Serville, 

 1835. (= Platytelma-7?0#rtfo;z/, 1856.) 

 Type : Cyrtoma pallipes Meigen. 

 Lioy mentioned only the above species. 



Paramesia Macquart, Hist. Nat. Dipt., n, 656, 1835 ; not of 

 Stephens, 1829. (= Clinocera ]\leigen, 1803.) 

 Type : Paramesia wesmaelii Macquart. 



Macquart described two species as new and figured the first, P. -wes- 

 maelii. 



ParathalassiusMik, Wiener Ent. Zeit., x, 217, July 31, 1891. 

 Type : Parathalassius blasigii Mik. 

 The above was the only species mentioned. 



Phaobalia Mik, Verb. k. k. Ges. Wien rSSi, 326, 1882. 



Type : Clinocera trinotata Mik. 



Mentioned four species, the first, Clinocera trinotata Mik. 



Philolutra Mik, Verb. k. k. Ges. Wien 1881, 327, 1882. 

 (= Roderia Mik, 1882.) 



Type: Clinocera phantasma Mik. 



Mentioned eight species, the first, Clinocera phantasma Mik. The 

 difference in the acrostichal bristles, which extend across the mesonotum 

 in one so-called genus and are confined to the anterior portion in the other, 

 cannot be considered of generic value, especially in view of the fact that a 

 very closely related species from Italy has no acrostichals whatever. 



Phoneutisca Loew, Berl. Ent. Zeitsch.. vn, 19. June, 1863. 

 Type : Phoneutisca bimaculata Loew. 

 The above was the only species mentioned. 



Phoroxypha Rondani, Dipt. Ital. Prod., i, 146, 1856. 

 Type : Tachydromia longicornis Meigen. 

 The above species was designated as the type. 



Phyllodromia Zetterstedt, Isis von Oken, 31 , 1837. ( C/iyro- 

 mantis Rondani, 1856 ; Thamnodromia Mik, 1886 ; Litanomyia 

 Melander, 1902.) 



Type : Tachydromia i~ocatoi'ia Fallen. 



Zetterstedt briefly described this as a section of Hemerodromia, and 

 listed three described and two manuscript species ; of the former, Macquart 

 had in 1823 selected the first and fourth species for two of his new genera, 

 leaving onlv one of the described species. Tachydromia rocatoria Fallen, 

 the second species listed by Zetterstedt. 



Platypalpus Macquart, Ins. Dipt. Nord France, Separata, 

 194, 1827. (Dysaletria Loew, 1860.) 

 Type : Musca cursitans Fabricius. 



