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.