580 PROCEEDINGS OF THE NATIONAL MUSEUM vou. 98 
Omachtes GERSTAECKER (—Homachthes Datta Torre). 
Stettin. Ent. Zeit., vol. 80, p. 154, 1869. Three species. 
Type.—(Omachtes carnifer GERSTAECKER, 1869)=Ammobates dichroa 
Spinola, 1843. (Present designation.) 
Cpandrena ROBERTSON. 
Trans. Amer. Ent. Soe., vol. 28, pp. 187, 188, and 193, 1902. Six species. 
Type.—Andrena cressonii ROBERTSON, 1891. (Original designation.) 
(Orbitella Ma, not DouvitL1iez, 1915) =Euryapis, new name. 
Rec. Indian Mus., vol. 40, pp. 270 and 805, 1988. Hight species. 
Type.—X ylocopa confusa Pérez, 1901. (Original designation.) 
Proposed as a subgenus of Xylocopa Latreille. 
Oreopasites COCKERELL. 
Bull. Amer. Mus. Nat. Hist., vol. 22, p. 442, 1906. 
Type.—Oreopasites scituli CocKERELL, 1906. (Monobasic.) 
Orientalibombus RICHARDS. 
Ann. Mag. Nat. Hist., ser. 10, vol. 3, p. 378, 1929. Five species. 
Type.—Bombus orientalis F. Smiru, 1854. (Original designation.) 
Orphana VAcHAL (=Leptoglossa Friese, 1925, not Kiue, 1839; Ptoleglossa 
FRIESE). 
Rey. d’Ent. France, vol. 28, pp. 385 and 388, 1909. 
Type.—Orphana inguirenda VAcuAL, 1909. (Monobasic.) 
Isogenotypie with Leptoglossa Friese through synonymy. 
Ptoleglossa was proposed for Leptogiossa Friese, preoccupied. 
Osiris F. SMITH. 
Catalogue of hymenopterous insects . . . British Museum, pt. 2, p. 288, 1854. 
Two species. 
Type.— Osiris pallidus F. Smiru, 1854. (Present designation. ) 
Osmia PAnzER (—Amblys Kivue; Ceratosmia THOMSON; Pachyosmia DUCKE), 
Kritische Revision der Insektenfaune Deutschlands . . ., vol. 2, p. 230, 1806. 
Seven species. 
Type.—(Anthophora bicornis (Fasricius), 1804=Apis bicornis LINNAEUS, 
1758) =Apis rufa LINNAEUS, 1758. (By designation of Latreille, Con- 
sidérations générales ... des insectes, p. 489, 1810.) Osmia_ tricornia 
Latreille, 1811, designated by Blanchard, in Cuvier, Régne Animal [ed. 
3], insectes, text vol. 2, p. 210; atlas pl. 127, fig. 3, [1849], was not origi- 
nally included. 
Isogenotypie with Amblys Klug, Ceratosmia Thomson, and through synonyniy 
with Pachyosmia Ducke. 
Oxaea Kiuc (=Dasyglossa ILLIcER). 
Mag. Ges. naturf. Freunde Berlin, vol. 1, p. 261, 1807. 
Type.—Oaaea flavescens Kiva, 1807. (Monobasic. ) 
Isogenotypie with Dasyglossa Iiger. 
Oxyhalictus CocCKERELL AND IRELAND. 
Ann. Transvaal Mus., vol. 17, p. 91, 1985. 
Type.—Halictus (Oxyhalictus) acuiferus CoCKERELL AND IRELAND, 1939. 
(Monobasice. ) 
Proposed as a subgenus of Halictus Latreille. 
(Oxynedys ScHRoTTKY) =Hopliphora LEPELETIER. 
Rev. Mus. Paulista, vol. 5, p. 491, 1908. 
Type.—(Orynedys beroni ScurotrKy, 1903)=(Mesocheira) Hopliphora 
velutina LEPELETIER AND SERVILLE, 1825. (Monobasie and _ original 
designation. ) 
Isogenotypie with Hopliphora Lepeletier through synonymy. 
