GENERA AND SUBGENERA OF BEES—SANDHOUSE 579 
Notomelitta CocKERELL. 
Ann. Mag. Nat. Hist., ser. 10, vol. 12, p. 128, 1938. 
Type.—Rediviva neliana CocKERELL, 1931. (Monobasic and original desig- 
nation. ) 
Nyctomelitta CocKERELL. 
Ann. Mag. Nat. Hist., ser. 10, vol. 4, p. 303, 1929. Two species. 
Type —(Bombus) Xylocopa (Nyctomelitta) tranquebarica (FAasricius), 
1804. (Original designation.) 
Proposed as a subgenus of Xylocopa Latreille. 
(Nylaeus Popov) for Hylaeus Fasrictus. 
Compt. Rend. (Doklady) Acad. Sci. U. R. S. S., new ser. vol. 25, p. 169, 1939. 
Obertobombus Reinia. 
Zeitschr. Morph.-Okol. Tiere, vol. 17, p. 107, 1930. 
Type-—Bombus oberti Morawitz, 1883. (Monobasic.) (Obertobombus 
oberti Reinig, 1930, not Bombus oberti Morawitz, 1883) =Subterraneo- 
bombus pamirus Skorikov, 1912, according to Skorikov, Leningrad, Akad. 
Nauk., Trudi pamirskoi eskped., No. 8, p. 229, 1931. However, oberti 
Morawitz must be retained as type unless the International Commission 
rules otherwise in this case (see Opinion 65). 
Proposed as a subgenus of Bombus Latreille. 
Odentalictus ROBERTSON. 
Ent. News, vol. 29, p. 91, 1918. 
Type—Halictus ligatus Say, 1837. (Monobasic and original designation.) 
Odontochlora ScHROTTKY. 
Rev. Mus. La Plata, vol. 16 (ser. 2, vol. 3), p. 141, 1909. Hight species. 
Type.—Augochlora muelleri CocKERELL, 1900. (Original designation.) 
Synonym of Augochlora F. Smith, according to Sandhouse, Journ. Washing- 
ton Acad. Sci., vol. 27, p. 66, 1937. 
Odontostelis CocKERELL. 
Ann. Mag. Nat. Hist., ser. 10, vol. 8, p. 542, 1931. Two species. 
Type.—(Stelis abnormis FRIESE, 1925)=(Anthidium) Stelis (Odontostelis) 
bivittatum (Cresson), 1878. (Original designation.) 
Proposed as a subgenus of Stelis Panzer. 
Odyneropsis ScHROTTKY. 
Rev. Mus. Paulista, vol. 5, p. 432, 1903. 
Type.—Odyncropsis holosericea ScHrotTKy, 1903. (Monobasic and original 
designation. ) 
Oediscelis PHILIPPI. 
Stettin. Ent. Zeit., vol. 27, p. 109, 1866. Two species. 
Type.—Oediscelis vernalis PHttipriI, 1866. (By designation of Cockerell, 
Proc. U. S. Nat. Mus., vol. 55, p. 185, 1919.) 
(Oestropsis F. SmirH, not Braver, 1868)=Gastropsis F, SmirH. 
Trans. Ent. Soe. London, p. 253, 1868. 
Type.—Oestropsis pubescens F. SmiruH, 1868. (Monobasic.) 
Oligotropus ROBERTSON. 
Trans. Amer. Ent. Soc., vol. 29, pp. 168 and 171, 1903. 
Type.—Oligotropus campanulae Rosertson, 1903. (Monobasiec and original 
designation.) 
Synonym of Chelostomoides Robertson, according to Mitchell, Trans. Amer. 
Ent. Soc., vol. 59, pp. 298 and 300, 1934. 
