516 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.37. 



Brachydeutera LoEW, Monogr. Dipt. N. Amer., vol. 1, p. 162, 1862. 1 species. 

 Tyi)e, Notq>hda argenlata Walker (as dimidiata, new species). 



Brachygaster Meigen, Syst. Beschr. Zvveifl. Ins., vol. 5, p. 244, 1826. I species 

 (as 2) . Type, Cordilura analis Meigen. Not Brachygaster Leach, 1817. Equals 

 Mycetaulus LoEW, 1845. 



Brachymyia Williston, Can. Ent., vol. 14, p. 77, 1882. 2 species. Type, Bra- 

 chymyia lupina Williston, the first species, by present designation. Equals Pen- 

 thesilia Meigen, 1800. 



Brachyneura Rondani, Mem. 2a. Serv. Ditt. Ital., p. 18, 1840.* 1 species. Tyjje, 

 Braclii/neura fiijicogrisea Kondaxi. 



Brachyopa Meigenl, Syst. Beschr. Zweifl. Ins., vol. 3, p. 260, 1822. 3 species. 

 Type, Musca conica Panzer, the first species, by designation of Westwood, Intr., 

 vol. 2, Synops., 1840, p. 137. Syn., HammerHchmidtia Schummel, 1834; ExocheAla 

 Rondani, 1857; Eugeniamyia Williston, 1882. 



Brachypalpus Macquart, Hist. Nat, Dipt., vol. 1, p. 523, 1834. 3 species (as 5). 

 Type, Syrphus valgtis Panzer, the last species (as tuberculatus) , by designation of Ron- 

 dani, Nuovi Ann. Soc. Nat., 1844, p. 456. 



Brachypremna Osten Sacken, Berliner Ent. Zeitschr., vol. 30, p. 161, 1886. 2 

 species. Type, T'qnda dispellans Walker, the first species, by present designation. 



Brachypteromyia Williston, Ent. News, vol. 7, p. 184, 1896. 1 species. Type, 

 Anapira fimbriata Waterhouse {as/emorata, new species). 



Brachypus Meigen, Syst. Beschr. Zweifl. Ins., vol. 4, p. 34, 1824. 1 species. Type, 

 Diaphorus cyanocephalus Meigen. Equals Diaphorus Meigen, 1824. 



Brachystoma Meigen, Syst. Beschr. Zweifl. Ins., vol. 3, p. 12, 1822, 2 species. 

 Type, SyrpJius vesiculosus Fabricius, the second species, by designation of Blanchard, 

 Hist. Nat. Ins., vol. 3, 1840, p. 582. 



Brachystomus Costa, II (jianib. Vico, Napoli, vol. 2, p. 445, 1857.* 1 species. Type, 

 IVibanus gigas Herbst (as rirsus, new species). Equals Tabanus LiNNiEUS, 1758. 



Brachystyluia Macquart, Ann. Soc. Ent. France for 1855, p. 199, 1855. 1 species. 

 Type Brachystyhim nigra Macquart. Equals Wagneria Desvoidv, 1830. 



Brauerimyla Townsend, Smiths. Misc. Coll., vol. 51, p. 65, 1908. Change of name 

 for Wulpia Brauer and Bergenstamm, 1893, not of Bigot, 1886. Type, Wulpia 

 aperta Brauer and Bergenstamm. Equals Vanderwulpia Townsend, 1891. 



Bremia Rondani, Atti Soc. Ital. Nat., vol. 2, p. 289, 1861. 1 species. Type, 

 Diplosis decorala Loew. 



Bricinnia Walker, Trans. Ent. Soc. Lond., n. ser., vol. 5, p. 324, 1861. 1 species. 

 Type, Bricinnia JJexiritta Walker. 



Bricinniella Giglio-Tos, Boll. Mus. Zool. Univ. Torino, vol. 8, No. 158, p. 13, 

 1893. 1 species. Type, Bricinniella cyanea Gk^lio-Tos. 



Brontica Kowarz, Verb. Zool.-Bot. Ges. Wien, vol. 23, p. 461, 1873. 2 species. 

 Type, Anthomyia polystigma Meigen, the first species, by present designation. Equals 

 Limnophora Desvoidy, 1830. 



Bryocrypta Kieffer, Berliner Ent. Zeitschr., vol. 41, p. 8, 1891. 1 species. Type, 

 Bryocrypta duhia Kieffer. 



Bucentes Latreille, Gen. Crust, et Ins., vol. 4, p. 339, 1809. 1 species. Type, 

 Mnsca geniculata De Geer (as cinereus, new species). Equals Crocuta JNIeigen, 1800. 



Byomya Desvoidy, Essai Myod., p. 392, 1830. 2 species (as 3). Type, Musca tem- 

 peMiva Fallen, the first and last supposed species, by present designation. Equals 

 Musca LiNN.EUs, 1758. 



Cacomyia Coquillett, Class. Mosq. Amer., p. 16, 1906. 2 species. Tj'^pe, Ha-ma- 

 gogns albomaculatus Theobald, the first species, by present designation. 



Cacoxenus Loew, Wien. Ent. Monatschr., vol. 2, p. 217, 1858. 1 species. Type, 

 Caroxenus indagator Loew. 



