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 Cressoniella Mitchell Megachile (Cressoniella) Mitchell 1934 : 302 . Type species: Megachile zapoteca Cresson 1878 . Original designation. Megachile ( Cressoniella ). Michener et al 1994 : 149 , Michener 2000 : 555 . Cressoniella (Cressoniella) Mitchell 1980 : 5 , 63.