530 PROCEEDINGS OF THE NATIONAL MUSEUM vor, 92 
Austrandrena COCKERELL. 
Psyche, vol. 13, p. 37, 1906. 
Type.—Andrena modesta F. SmirH, 1879. (Monobasic and original desig- 
nation. ) 
Proposed as a subgenus of Protandrena Cockerell. 
Austrodioxys COcKERELL. 
Ann. Mag. Nat. Hist., ser. 8, vol. 17, p. 432, 1916. 
Type—Austrodioxys thomasi CocKERELL, 1916. (Monobasic.) 
Autochelostoma SLADEN. 
Can. Ent., vol. 48, p. 270, 1916. 
Type.—Autochelostoma canadensis SLADEN, 1916. (Monobasic.) 
Baana, new name (=Ctenopoda MA, 1938, not McATEE AND MALLocg, 1933). 
Type.—Apis fenestrata Fasrictus, 1798. (Autobasic.) 
(Barbata MféHeELY, not HumpHREY, 1797, not SwArnson, 1840) =Mehelya Popov. 
Naturgeschichte der Urbienen, pp. 32 and 185, 1935. 
Type.—Prosopis friesei ALFKEN, 1904. (Monobasic.) 
Proposed as a subgenus of Prosopis FABRICIUS. 
Berna FRIESE. 
Zool. Jahrb., Abt. Syst., Jena, vol. 30, p. 668, 1911. 
Type.—(Megachile (Berna) africana Friese, 1911, not Megachile africana 
Mocsary, 1887)=Megachile africaniba STRAND, 1914. (Monobasic.) 
Proposed as a subgenus of Megachile Latreille. 
Betheliella CocKERELL. 
Ent. News, vol. 35, p. 169, 1924. 
Type.—Betheliella calocharti CocKmrELL, 1924. (Monobasic.) 
Biareolina Dours. 
Rey. et Mag. Zool., ser. 3, vol. 1, p. 288, 1873. Two species. 
Type.—Biareolina neglecta Dours, 1873. (Present designation.) 
Biastes Panzer (—Rhineta Kiuc). 
Kritische Revision der Insektenfaune Deutschlands . . ., vol. 2, p. 239, 1806. 
Type.—Tiphia brevicornis PANZER, 1798. (Monobasic. ) 
Isogenotypie with Rhineta Klug through synonymy. 
Biastoides SCHENCK. 
Berlin. Ent. Zeitschr., vol. 17, p. 252, 1878. 
Type.—(Pasites punctatus ScHENCK, 1870)=Phileremus emarginatus 
SCHENCK, 1853. (Monobasic.) 
Synonym of Biastes Panzer, according to Dalla Torre, Catalogus hymenop- 
terorum, vol. 10, p. 501, 1896. 
Bicolletes FRIESE. 
Flora og Fauna Aarbog, vol. 10, p. 11, 1908. Three species. 
Type.—Bicolletes neotropica Friese, 1908. By designation of Cockerell, 
Ann. Mag. Nat. Hist., ser. 8, vol. 15, p. 342, 1915. 
Bicornelia FRIESE. 
Ann. naturhist. Hofmus. Wien, vol. 14, p. 289, 1889. 
Type.—Bicornelia serrata Friesp, 1899. (Monobasic.) 
Biglossa FRIESE. 
Zeitschr. Syst. Hym. Dipt., vol. 6, p. 874, 1906. Hight species. 
Type.—Biglossa thoracica FriesF, 1906. (By designation of Cockerell, Journ. 
New York Ent. Soc., vol. 22, p. 328, 1914.) 
Biluna Ma. 
Rec. Indian Mus., vol. 40, pp. 270 and 276, 1938. Two species. 
Type —Xylocopa nasalis WeEstwoop, 1838. (Original designation.) 
Proposed as a subgenus of Xylocopa Latreille. 
