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 51436 10.5281/zenodo.155887 29fc5ef3-a547-4eb8-9753-8085aa3f215e 1175­5326 155887 alamosana Mitchell , new comb. Megachile (Xeromegachile) alamosana Mitchell 1934 : 329 ­330. Male . Type locality: Alamosa (about 7500 ft ) Colorado [ U.S.A. ]. Megachile (Derotropis) alamosana Hurd 1979 : 2062 .