546 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Didonia GrIBopo. 
Bull. Soc. Ent. Italiana, vol. 26, p. 106, 1894. 
Type.—Didonia punica GriBovo, 1894. (Monobasic.) 
Diepeolus GRiIBopDo. 
Bull. Soc. Ent. Italiana, vol. 26, p. 80, 1894. 
Type.—Epeolus (Diepeolus) giannellii Gripopo, 1894. (Monobasic. ) 
Proposed as a subgenus of Hpeolus Latreille. 
Dieunomia CocKERELL (=—Eunomia Cresson, not HUBNER, 1818, not LAMouROUx, 
1821, not Risso, 1826). 
Entomologist, vol. 32, p. 14, 1899. 
Type.—Hunomia marginipennis Cresson, 1875. (By designation of Cock- 
erell, Proc. U. S. Nat. Mus., vol. 38, p. 290, 1910.) a 
Digronoceras COCcKERELL. 
Rey. Zool. Bot. Africaines, vol. 20, p. 184, 1981. Four species. 
Type.—(Megachile) Gronoceras combusta (F. SmirH), 1853. (Original des- 
ignation. ) 
Proposed as a subgenus of Gronoceras, COCKERELL. 
(Dilobopeltis FArIRMAIRE) —Euaspis GERSTACKER. 
Arch. Ent., vol. 2, p. 266, 1858. 
Type.—(Dilobopeltis fuscipennis FAIRMAIRE, 1858) =(Thynnus) Huaspis ab- 
dominalis (Faprictus), 1793. (Monobasic. ) 
Isogenotypic with Huaspis Gerstiicker through synonymy. 
Dioxys LEPELETIER and SERVILLE. 
Encycl. Méthod., Hist. Nat., Ins., vol. 10, p. 109, 1825. 
Type.—Trachusa cincta JURINE, 1807. (Monobasic.) 
Dipedia FRIESE. 
Flora og Fauna Silkeborg, vol. 8, p. 92, 1906. Four species. 
Type.—Ancyloscelis armatus F. SmituH, 1854. (By designation of Lutz and 
Cockerell, Bull. Amer. Mus. Nat. Hist., vol. 42, p. 592, 1920.) 
Synonym of Leptergatis Holmberg, according to Schrottky, Deutsche Ent. 
Zeitschr., p. 795, 1909. 
Diphaglossa SPINOLA. 
Historia fisica y politica de Chile... por Claudio Gay, vol. 6, p. 168, 1851. 
Type.—Diphaglossa gayi SPINoLA, 1851. (Monobasic.) 
(Diphysis LEPELETIER) =Trachusa PAnzeEr, 1804. 
Histoire naturelle des insectes, Hyménoptéres, vol. 2, p. 307, 1841. 
Type.— (Diphysis pyrenaica LEPELETIER, 1841) =Apis byssina PAaNnzEr, 1798. 
Isogenotypic with Trachusa Panzer, 1804, through synonymy. 
Diversobombus SKORIKOV. 
Rey. Russe Ent., vol. 14, p. 406, 1914. Two species. 
Type.—Bombus diversus F. SmirH, 1869. (Present designation because of 
virtual tautonomy.) 
Proposed as a subgenus of Bombus Latreille. 
Doeringiella HoLMBERG. 
Actas Acad. Nac. Cienc. Cordoba, vol. 5, p. 151, 1884. 
Type.—Doeringiella bizonata Ho_tMBERG, 1884. (Monobasic.) 
Synonym of Epcolus Latreille, according to Bréthes, Ann. Mus. Nac. Buenos 
Aires, ser. 3, vol. 12, p. 68, 1909. 
Dolichochile VirR"eck. 
Proc. Ent. Soc. Washington, vol. 11, p. 49, 1909. 
Type.—Dolichochile melittoides Virreck, 1909. (Monobasic and original 
designation. ) 
