NO. 1719. TYPE-SPECIES OF AMERICAN DIPTERA—COQUILLETT. 595 



Proctacanthus Macquart, Dipt. Exot., vol. ], pt. 2, p. 120, 1838. 9 species. 

 Type, Proctacanthus philadelphicus Macquart, the seventh species, by present designa- 

 tion. 



Prodiplosis Felt, 28d Rep. State Ent. N. Y., p. 403, 1908. 1 species. Tyjae, Ceci- 

 domyia foricola Felt. 



Promachus Loew, Linn. Ent., vol. 3, p. 390, 1848. 5 species. Type, Asilus 

 maculatus Fabricius, the second species, by present designation. Equals Bactria 

 Meigen, 1820. 



Prorates Melander, Ent. News, vol. 17, p. 372, 1906. 1 species. Type, Prorates 

 claripennis Melander. 



Prorhynchops Brauer and Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien,vol. 

 58, p. 364, 1891. 1 species. Type, Prorhynchops hilimeJd Brauer and Bergenstamm. 

 Prosalpia Pokorny, Wien. Ent. Zeit., vol. 12, p. 54, 1893. 3 species. Type, 

 Anthomyza bilbergi Zetterstedt (as styriaca, new species), the first species, by designa- 

 tion of CoQuiLLETT, Joum. N. Y. Ent. Soc, vol. 9, 1901, p. 140. 



Prosena St. Fargeau and Serville, Encycl. Meth., vol. 10, pt. 2, p. 500, 1828. 

 1 species. Type, Stomoxys siberita Fabricius. Equals Calirrhoe Meigen, 1800. 



Prospherysa Wulp, Biol. Centr.-Amer. Dipt., vol. 2, p. 116, 1890. 18 species. Type, 

 Prospherysa semulans Wulp, the first species, by present designation. 



Protenthes Johannsen, Ent. News, vol. 18, p. 400, 1907. 1 species. Type, Tipula 

 cincta Fabricius (as punctipennis Meigen). Equals Pelopia Meigen, 1800. 



Prothecus Rondani, Dipt. Ital. Prodr., vol. 1, p. 139, 1856. 1 species. Type, 

 Pipuncuhis fnrcatus Egger (as Cephalops aucta Fallen). Equals Dorilas Meigen, 

 1800. 



Protocalliphora HouGii, Ent. News, vol. 10, p. 66, 1899. 1 species. Type, Musca 

 azurea Fallen. Syn., Avihospiia Hendel, 1901. 



Proioculex Felt, Mosq. Culic. N. Y. State, p. 391d, 1904. 1 species. Type, Culex 

 serratus Theobald. Equals Ochlerotatus Arribalzaga, 1891. 



ProtomacleayaTn^oBAijT), Monogr. Culic, vol. 4, p. 253, 1907. Ispecies. Type, Culex 

 triseriatus Say. Equals Ochlerotatus Arribalzaga, 1891. 



Protophormia Townsend, Smiths. Misc. Coll., vol. 51, p. 123, 1908. 1 species. Type, 

 Phormki terrsenovse Desvoidy. Equals Phormia Desvoidy, 1830. 



Protoplasa Osten Sacken, Proc. Acad. Nat. Sci. Phila. for 1859, p. 251, 1860. 1 

 species. Type, Protoplasa fitchii Osten Sacken. Syn., Idioplasta Osten Sacken, 1878. 

 Psairoptera Wahlberg, Kongl. Vet. Akad. Handl. for 1838, p. 18, 1839. 4 species. 

 Type, Homalocephala albitarsis Zetterstedt (as biumbrata, new species), the second 

 species, by designation of Zetterstedt, Dipt. Scand., vol. 6, 1847, p. 2264. Equals 

 Homalocephala Zetterstedt, 1838. 



Psalida Rondani, Dipt. Ital. Prodr., vol. 1, p. 76, 1856. 1 species (in error). In 

 vol. 4, 1861, pp. 91, 92, 2 species (as 3). Type, Ocyptera simplex Fallen, the last 

 species, by designation of Brauer, Verb. Zool.-Bot. Ges. Wien, vol. 43, 1893, p. 

 495. Equals Leucostoma Meigen, 1803 



, Psectroclndius Kieffek, Mem. Soc. Sci. Bruxelles, vol. 30, p. 356, 1906. 1 species. 

 Type, Orthocladius psilopterus Kieffer. Equals Orthocladius Wulp, 1874. 



Pselaphephila Becker, Berliner Ent. Zeitschr., vol. 39, p. 122, 1894. 1 species. 

 Type, Pselaphephila loewi Becker. 



Pseudacteon Coquillett, Can. Ent., vol. 39, p. 208, ]907. 1 species. Type, 

 Pseudacteon craivfordli Coquillett. 



Pseudapinops Coquillett, Proc. U. S. Nat. Mus., vol. 25, p. 108, 1902. 1 species. 

 Type, Pseudapinops nigra Coquillett. 



Pseudatractocera Townsend, Trans. Amer. Ent. Soc, vol. 19, p. 107, 1892. 1 species. 

 Type, Pseudatractocera neomexicana Townsend. 



