GENERA AND SUBGENERA OF BEES—SANDHOUSE 593 
Pseudaugochloropsis ScHROTTKY. 
Zeitschr. Syst. Hym. Dipt., vol. 6, p. 318, 1906. Two species. 
Type.—Augochloropsis sthena Scurotrky, 1906. (Present designation.) 
Halictus nigromarginatus Spinola, 1851, designated by Schrottky, Deutsche 
Ent. Zeitschr., p. 482, 1909, was not originally included. 
Proposed as a subgenus of Augochloropsis Cockerell. 
Pseudepeolus HOLMBERG. 
Anal, Soe. Cient. Argentina, vol. 22, p. 234, 1886. 
Type.—Pseudepeolus fasciatus HotmMsBrere, 1886. (Monobasic.) 
Pseudhylaeus COCKERELL, 
Mem. Queensland Mus., vol. 9, p. 299, 1929. Two species. 
Type.—Huryglossa albocuneata CocKERELL, 1913. (Original designation.) 
Pseudiscelis FRIESE. 
Zeitschr. Syst. Hym. Dipt., vol. 6, p. 228, 1906. 
Type.—Oediscelis (Pseudiscelis) rostrata Friese, 1906. (Monobasic.) 
Proposed as a subgenus of Oediscelis Philippi. 
Pseudoanthidium FRi&ESE. 
Die Bienen Europas, vol. 4, p. 101, 1898. Five species. 
Type.—Anthidium alpinum Morawitz, 18738. (Present designation.) 
Proposed as a subgenus of Anthidium Fabricius. 
Pseudobranchiata MEHELY. 
Naturgeschichte der Urbienen, pp. 33 and 189, 1935. Two species. 
Proposed as a subgenus of Prosopis Fabricius but invalid under Article 25c 
of the International Rules of Zoological Nomenclature, since no genotype 
was Gesignated. 
(Pseudobranchiata Popov) =Koptogaster ALFKEN. 
Compt. Rend. (Dokiady) Acad. Sci. U. R. 8. S., new ser., vol. 25, p. 168, 
1939. 
Type.—Prosopis bifasciata JURINE, 1807. (Monobasic and original designa- 
tion.) 
Iscgenotypic with Koptogaster Alfken. 
Pseudobranchiata was first proposed by Méhely, Naturgeschichte der 
Urbienen, pp. 383 and 139, 1935, as a subgenus of Presopis Fabricius to 
include two species, but according to Article 25¢ it has no validity from 
that date, since no genotype was designated. 
Pseudocentron MitTcHELL. 
Trans. Amer. Ent. Soc., vol. 59, pp. 303, 305, 307, and 311, 1934. Highteen 
species. 
Type.—Megachile pruina F. SmMiTH, 1853. (Oviginal designation.) 
Proposed as a subgenus of Megachile LATREILLE. 
Pseudocilissa RaDoSzKOWSKEI. 
Horae Soc. Ent. Ross., vol. 25, p. 241, 1891. 
Type.—Cilissa robusta RADoSzKOWSKI, 1876. (Monobasic.) 
Synonym of Melitta Kirby, according to Dalla Torre, Catalogus Hymenop- 
terorum, vol. 10, p. 187, 1896. 
(Pseudocosmia RADoszKoWSKI) for Pseudosmia RADOSZKOWSKI. 
Horae Soc. Ent. Ross., vol. 20, p. 14, 1886. 
Pseudodichroa BIScHOFF. 
Deutsche Ent. Zeitschr., p. 595, 1923. Two species. 
Type.—Omachtes capensis Priest, 1915. (Present designation.) 
