i 



600 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



y 



Rhaphidolabis Osten Sacken, Monogr. Dipt. N. Ainer., vol. 4, p. 284, 1869. 2 species. 



Type, Rhaphidolabis tenuipes Osten Sacken, the first species, by original designation. 

 ^ Rhaphiocera Macquart, Hist. Nat., Dipt., vol. 1, p. 253, 1834. 1 species. Type, 



Sargits armatus Wiedemann. 

 ■/ Rhaphiomidas Osten Sacken, Bull. 3, U. S. Geol. Surv., p. 281, 1877. 1 species. 



Type, Rhaphiomidas episcopus Osten Sacken. 

 " Rhaphiorhynchus Wiedemann, Dipt. Ex ot., p. 59, 1821. 1 species. Type, Rhaphio- 



rhynchus planirentris Wiedemann. 

 » [Rhaphium Meigen, Illiger's Mag., vol. 2, p. 272, 1803. No species. In his Syst. 



Beschr. Zweifl. Ins., vol. 4, 1824, pp. 28 to 31, 9 species. Type, Rhaphium niacrocerum 



Meigen, the third species, by designation of Curtis, Brit. Ent., 1835, p. 568. Syn., 



Xiphandrium Loew, 1857. Not American. ] 

 f Rhedia Desvoidy, Essai Myod., p. 74, 1830. 5 species (as 9). Type, Goma atra 



Meigen (as vidua, new species), the third species, by present designation. Equals 



Salmacia Meigen, 1800. 

 ^ Rhicncessa Loew, Wien. Ent. Monatschr., vol. 6, p. 174, 1862. 1 species. Type, 



Rhiciuesxa cinerea Loew. 

 ^ Rhingia Scopoli, Ent. Cam., p. 358, 1763. 1 species. Type, Rhingia austriaca 



Meigen (as Conops rostrata Linnaeus). 

 •s Rhinomya Desvoidy, Essai Myod., p. 123, 1830. 1 species. Type, Rhinomya 



gagatea Desvoidy. Equals Rhinophora Desvoidy, 1830. 

 ^ Rhinophora Desvoidy, Essai Myod., p. 258, 1830. 2 species (as 6). Type, Tachina 



gagatina Meigen (equaling the supposed species 2 to 6), by designation of Desvoidy, 



Hist. Nat. Dipt., vol. 2, 1863, p. 5. Syn., Kirbya Desvoidy, 1830; Rhinomya Desvoidy, 



1830; Cassidsemyia Macquart, 1835; Clista Meigen, 1838; Microcheilosia Macquart, 

 ^1855. 



Rliinoplecia Bellardi, Mem. Reale Accad. Sci. Torino, ser. 2, vol. 19, p. 16, 1859. 



1 species. Type, Plena rostellata Loew (as rostrata, new species). Equals Plecia 



Wiedemann, 1828. 

 «/ Rhinotora Schiner, Reise Novara, Zool., vol. 2, Dipt., p. 233, 1868. 2 species. 



Type, Rhinotora pluricellata Schiner, the first species, by original designation. 

 y Rhipidia Meigen, Syst. Beschr. Zweifl. Ins., vol. 1, p. 153, 1818. 1 species. Type, 



Rhipidia maculata Meigen. 

 *-"' Rhodogyne Meigen, Nouv. Class. Mouch., p. 39, 1800.* No species. Gymnosoma 



Meigen, 1803, is a change of name. Type, Musca rotundata Linnaeus. Syn., Gym- 

 nosoma Meigen, 1803. 

 ^ Rhombothyria Wulp, Biol. Centr.-Amer. Dipt, vol. 2, p. 259, 1891. 1 species. 



Type, Rhombothyria flavicosta Wulp. 



Rhopalomyia Rubsaamen, Berliner Ent. Zeitschr., vol. 37, p. 370, 1892. 8 species. 



Type, Oligotrophia ianaceticola Karsch, the first species, by designation of Kieffer, 



Wien. Ent. Zeit., vol. 15, 1896, p. 89. 

 ^ Rhopalomyia Williston, Psyche, vol. 7, p. 184, 1895. 1 species. Type, Ropalo- 



mera pleuropunctata Wiedemann. 'Sot Rhopalomyia Rubsaamen, 1892. Equals Wil- 



listoniella Mik, 1895. 



Rhopalosyrphus Giglio-Tos. Boll. Mus. Zool. Univ. Torino, vol. 6, No. 108, p. 



3, September 20, 1891. No species. In vol. 7, No. 118, March 24, 1892, p. 1, 1 



species. Type, Holmbergia guntlieri Arribalzaga. Syn., Holmbergia Arribalzaga, 



October, 1891. 



[Rhynchiodexia Bigot, Bull. Soc. Ent. Erance for 1885, p. 11, 1885. 1 species. 



Type, Rhynchiodexia tenuipes Bigot. Not American.] {Rhynchiodexia of authors 



equals Pliorostoma Desvoidy.) 

 ^ Rhynchocephalus Fischer, Mem. Soc. Imper. Moscow, vol. 1, p. 217, LS06.* 3 



species (as 4). Type, Rhynchocephalus tauscheri Fischer, the last species, by desig- 



