Nomenclatural changes in leafcutter bees of the Americas: Megachile Latreille 1802 (Hymenoptera; Megachilidae) Author Raw, Anthony text Zootaxa 2004 766 1 4 journal article 10.5281/zenodo.158473 cb6633c0-ce71-4eb7-8b58-8246f60f9be4 1175­5326 158473 EF8CA928-D68D-4205-AB7F-9A08C7D940A4 Megachile ( Cressoniella ) sonorana Cockerell , new combination Megachile sonorana Cockerell 1924 : 552 . Female. Type locality: Guaymas, Sonora, Mexico , 8 April 1921 (coll. E. P. Van Duzee). Type repository: #1518, California Academy of Science, Los Angeles, U.S.A. Not examined. Specimens of M. sonorana at the Bee Biology and Systematics Laboratory, Utah State University, Logan, U.S.A. said to have been identified by Professor T. B. Mitchell are members of this subgenus.