GENERA AND SUBGENERA OF BEES—SANDHOUSE 601 
Sphecodosoma CRAWFORD. 
Journ. New York Ent. Soce., vol. 15, p. 182, 1907. 
Type.—Sphecodosoma pratti CRAwrForD, 1907. (Monobasic and original 
designation. ) 
(Sphecophala ASHMxEAD) for Sphegocephala SAUSSURE. 
Trans. Amer. Ent. Soc., vol. 26, p. 89, 1899. 
Sphegocephala SaussurE (=—Sphecophala ASHMEAD). 
In Grandidier, Hist. Nat. Madagascar, vol. 20, Hymen., pt. 1, p. 74, 1890. 
Type.—Sphegocephala philanthoides Saussurp, 1890. (Monobasic.) 
Spinoliella ASHMEAD. 
Trans. Amer. Ent. Soc., vol. 26, p. 84, 1899. 
Type—(Camptopoeum nomioides [sic!] SprnotaA}=—Camptepoeum noma- 
doides SprInonA, 1851. (Monobasic and original designation.) 
Steganomus RITSEMA. 
Tijd. Ent., vol. 16 (ser. 2, vol. 8), pp. 63 and 224, 1873. 
Type.—Steganomus javanus RiTsEMA, 1873. (Monobasic.) 
Stelidium ROBERTSON. 
Can. Ent., vol. 24, p. 323, 1902. 
Type.—Stelidium trypetinum Rosertson, 1802. (Monobasic and original 
designation.) 
Stelidomorpha MorawIitTz. 
Imp. Obshch. . . . Moskva, vol. 19, p. 131, 1875. 
Type.—Anthidium nasutum LATREILLE, 1809. (Monobasic.) 
Stelis PANzER (—Gyrodroma Kiuc; Gymnus SpINoLA; Ceraplastes GISTEL. ) 
Kritische Revision der Insektenfaune Deutschlands .. ., vol. 2, p. 246, 1806. 
Type.— (Apis aterrima PANzEr, 1798, not CHrist, 1791) =Apis punctulatissima 
Krrey, 1802. (Monobasic.) 
Isogenotypic with Gyrodroma Klug, Gymnus Spinola, and Ceraplastes Gistel. 
Trachusa Jurine, 1801, also isogenotypice with Stelis, has been invalidated 
by Opinion 135 of the International Commission of Zoological Nomenclature, 
Stellenigris MEUNIER. 
Naturalista Siciliano, vol. 7, p. 152, 1888. 
Type.—Stellenigris vandeveldii MEuNIER, 1888. (Monobasic. ) 
Stenocolletes ScHROTIKY. 
Anal. Soe. Cient. Argentina, vol. 68, p. 2538, 1909. 
Type.—Stenocolletes pictus Scurorrky, 1909. (Monobasie and original 
designation. ) 
Stenosmia MICHENER. 
Amer. Midland Nat., vol. 26, p. 165, 1941. 
Type.—Osmia flavicornis Morawitz, 1878. (Monobasic and original designa- 
tion.) 
Stenotritus F. Smiru. 
Catalogue of hymenopterous insects . . . British Museum, pt. 1, p. 119, 1853. 
Type.—Stenotritus elegans F. SmM1TH, 1853. (Monobasic.) 
Stictonomia CAMERON. 
Rec. Albany Mus., vol. 1, p. 192, 1905. 
Type.—Stictonomia punctata CAMERON, 1905. (Monobasic.) 
Stilpnosoma F. SMITH. 
Descriptions of new species of Hymenoptera . . . British Museum, p. 16, 1879. 
Type.—Stilpnosoma lacvigatum F. Smiru, 1879. (Monobasic.) 
