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 Rhyssomegachile Mitchell Cressoniella (Rhyssomegachile) Mitchell 1980 : 63 . Type species: Megachile simillima Smith 1853 . Original designation and monotypy. Megachile (Rhyssomegachile) Michener 2000 : 564 .