New combinations and synonymies of leafcutter and mason bees of the Americas (Megachile, Hymenoptera, Megachilidae) Author Raw, Anthony text Zootaxa 2002 71 1 43 journal article 10.5281/zenodo.155887 29fc5ef3-a547-4eb8-9753-8085aa3f215e 1175­5326 155887 Subgenus Pseudocentron Mitchell Megachile (Pseudocentron) Mitchell 1934 : 304 , 307. Type species: Megachile pruina Smith 1853 . Original designation. Michener et al 1994 : 149 , Michener 2000 : 563 . Pseudocentron (Pseudocentron) Mitchell 1980 : 56 .