514 PROCEEDINGS^ OF THE NATIONAL MUSEUM. vol.37. 



Bibio Geoffroy, Hist. Abreg^e Ins., vol. 2, p. 568, 1762. 5 species. Type, Tipula 

 hortulana Linn^.us, the third species, by designation of Latreille, Consider. Gen- 

 eral., p. 442, 1810. Syn., Pullata Harris, 1776. 



Bibiocephala Osten Sacken, Ann. Rep. U. S. Geol. Surv. for 1873, p. 564, 1874. 

 1 spe(;ies. Type, Btbiocephala grandis Osten Sacken. Syn., Agathon Roder, 1890. 



Bibioides Coquillett, Proc. Ent. Soc. Washington, vol. 6, p. 171, 1904. 1 species. 

 Type, Bibioides halteralis Coquillett. 



Bicellaria Macquart, Monogr. Empides, p. 155, 1823. 1 species. Type, Empis 

 spuria Fallen (as nigra, new species). Syn., Cyrtoma Meigen, 1824. 



Bigoiia Desvoidy, Hist. Nat. Dipf., vol. 1, p. 1048, 1863. 1 species. Type, Tachina 

 simulans Meigen (as brevicornis Macquabt). Equals Exorista Meigen, 1803. 



Biomya Rondani, Dipt. Ital. Prodr., vol. 1, p. 72, 1856. No species. Viviania 

 Rondani, 1861, was a change of name. Type, Tachina cinerea Fallen. Syn., 

 Fabricia Meigen, 1838 (preoccupied); Fiw'ama Rondani, 1861; Masiphya BRAUERand 

 Bergenstamm, 1891. 



Bischofia Hendel, Abh. Zool.-Bot. Ges. Wien, vol. 2, p. 52, 1902. 3 species. 

 Type, Sciomyza simplex Fallen, the first species, by present desig ation. Equals 

 Sciomyza Fallen, 1820. 



Bittacomorpha Westwood, Lond. Edinb. Philos. Mag., vol. 6, p. 281, 1835. 1 

 gpecies. Type, Tipida clavipes Fabricius. 



Blacodes Loew, Berliner Ent. Zeitschr., vol. 18, p. 377, 1874. Change of name for 

 Blax Loew, 1872, not Thomson, 1860. Type, Blax beUus Loew. Not Blacodes 

 Deiean, 1859. Equals Cophura Osten Sacken, 1887. 



Blax Loew, Berliner Ent. Zeitschr., vol. 16, p. 241, 1872. 1 species. Type, Blax 

 bellus Loew. Not Blax Thomson, 1860. Equals Cophura Osten Sacken, 1887. 



Blepharepium Rondani, Studi Ent., vol. 1, p. 89, 1848. 1 species. Type, Ble- 

 pharrpiwn luridum Rondani. Syn., Planetolestes Arribalzaga, 1879. 



Blepharicera Macquart, Ann. Soc. Ent. France for 1843, p. 61, 1843. 1 species. 

 Type, Asthenia fnsciata Westwood (as limbipennis, new species). Syn., Asthenia 

 Westwood, 1842, preoccupied. 



Blepharidea Rondani, Dipt. Ital. Prodr., vol. 1, p. 67, 1856. 1 species. Type, 

 Tachina vtdgaris Fallen. Equals Phryxe Desvoidy, 1830. 



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

 58, p. 329, 1891. 1 species. Type, Tachina nemea Meigen. Equals Phryxe Des- 

 voidy, 1830. 



Blepharigena Rondani, Dipt. Ital. Prodr., vol. 1, p. 69, 1856. 1 species. Type, 

 Tachina trepida Meigen. Equals Voria Desvoidy, 1830. 



Blepharipa Rondani, Dipt. Ital. Prodr., vol. 1, p. 71, 1856. 1 species. Type, 

 Nemorxa scutellata Desvoidy (as Masicera ciliata Macquart). Equals Sturmia Des- 

 voidy, 1830. 



Blepharipeza Macquart, Dipt. Exot., vol. 2, pt. 3, p. 211, 1843. 1 species. Type, 

 Tachina leucophrys Wiedemann (as rufipalpis, new species). Syn., Rilcya Brauek 

 and Bergenstamm, 1893; Rileymyia Townsend, 1893. 



Blephariptera Macquart, Hist. Nat., Dipt., vol. 2, p. 412, 1835. 12 species. Type, 

 Musca serrata LiNNiEUS, the second species, by designation of Westwood, Intr., 

 vol. 2, Synops., 1840, p. 145. Equals Heleomyza Fallen, 1810. 



Blepharoneura Loew, Monogr. Dipt. N. Amer., vol. 3, p. 272, 1873. 1 species. 

 Type, Trypeta po'cilogaster Loew. 



Blepharoprocta Loew, Berliner Ent. Zeitschr., vol. 6, p. 194, 1862 3 species. 

 Type, Brarhyfttoma nigrimana Loew, the first species, by designation of Coquillett, 

 Proc. Ent. Soc. Washington, vol. 5, p. 246, 1903. 



Blissonia Desvoidy, Hist. Nat. Dipt., vol. 2, p. 648, 1863. 1 species (as 3). Type, 

 Musca assimilis Fallen. Equals Muscina Desvoidy, 1830. 



