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 leucostomella Cockerell , new comb. Megachile leucostomella Cockerell 1927a : 20 . Male . Type locality: Huachi, Beni, Bolivia . Type repository: USNM 29089. Examined.