564 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Lestrimelitta FRIESE. 
Zeitschr. Syst. Hym. Dipt., vol. 3, p. 361, 1903. 
Type.—Trigona limao F. SmitH, 1863. (Monobasic.) 
Proposed as a subgenus of Trigona Jurine. 
Leucandrena HEDICKE. 
Mitt. Zool. Mus. Berlin, vol. 19, p. 216, 1933. Five species. 
Type.—(Apis) Andrena sericea (CurisT), 1791. (Original designation.) 
Proposed as a subgenus of Andrena Fabricius. 
(Leucobombus DALia ToRRE) =Bombus LATREILLE, 
Naturhistoriker, vol. 2, p. 40, 1880. Six species. 
Type.—(Apis) Bombus terrestris (LINNAEUS), 1758. (Present designation.) 
Proposed as a subgenus of Bombus Latreille. 
Isogenotypic with Bombus Latreille and Terrestribombus Vogt. 
Leucosmia ROBERTSON. 
Trans. Amer. Ent. Soc., vol. 29, pp. 166 and 171, 1908. 
Type.—Osmia albiventris Cresson, 1864. (Monobasic and original designa- 
tion. ) 
Synonym of Nothosmia ASHMEAD, according to Sandhouse, Mem. HMnt. Soc. 
Washington, No. 1, p. 63, 1989. 
Libellulapis CocKERELL [fossil]. 
Bull. Mus. Comp. Zool., vol. 50, p. 42, 1906. 
Type.—Libellulapis antiquorum CocKERELL, 1906. (Monobasic.) 
(Liogastra Perty)=Rhathymus LEPELETIER AND SERVILLE. 
Delectus animalium articulatorum ... Braziliam, p. 146, 1833. 
Type.—(Liogastra bicolor Perry, 1883)=Rhathymus bicolor LEPELETIER AND 
SERVILLE, 1828. (Monobasic.) 
Isogenotypie with Rhathymus Lepeletier and Serville through synonymy. 
(Liopodus Scuurz) for Leiopodus F. SMITH. 
Spolia Hymenopterologica, p. 258, 1906. 
Liopoeum FRIESE. 
Zeitschr. Syst. Hym. Dipt., vol. 7, p. 175, 1906. Three species. 
Type.—Camptopoeum hirsutulum SPrInova, 1851. (Present designation. ) 
Proposed as a subgenus of Camptopoeum Spinola. 
(Lioproctus F. SmirH) for Leioproctus F. SMITH. 
Descriptions of new species of Hymenoptera in the collection of the British 
Museum, p. 6, 1879. 
Liosmia THOMSON. 
Hymenoptera Scandinaviae, vol. 2, p. 233, 1872. No species. 
Friese, Das Tierreich, vol. 28, p. 488, 1911. Three species. 
Type.—Osmia claviventris THOMSON, 1872. (By designation of Michener, 
Amer. Midland Nat., vol. 26, p. 159, 1941.) 
Proposed as a subgenus of Osmia Panzer. 
(Liothgraphis CocKERELL) for Liothyrapis CocKERELL. 
Rey. Zool. Bot. Africaines, vol. 23, p. 22, 1982. 
Liothyrapis CocKERELL (—Paracoelioxys RADOSZKOWSEI, 1893, not GrrBopo, 18843 
Liothgraphis CoCKERELL). 
Proc. U. S. Nat. Mus., vol. 40, p. 246, 1911. 
Type.—(Coeliorys apicata F. SmiruH, 1854)=Coeliorys decipiens Sprinowa, 
18388. (Monobasic. ) 
Proposed as a subgenus of Coelioxys Latreille. 
