Osmia (Melanosmia) cyaneonitens Cockerell, 1906

Counties: Big Stone, Clay, Swift, Wilkin.

Comments: Originally reported in Lane et al. (2020), this rare species is limited to western Minnesota.

Material examined: Big Stone Co.: (45.3065 -96.2873): 1 ♀ (CNBL), 9 Jun 2017, S. Marconie leg., bowl, det. Z. Portman; Clay Co.: Bluestem SNA (46.8542 -96.4722): 1 ♁ (CNBL), 22 Jun 2017, C. Herron-Sweet leg., blue vane, det. Z. Portman; Swift Co.: (45.2719 -96.0644): 1 ♀ (CNBL), 15 Jun 2017, A.Waananen leg., bowl, det. Portman; Wilkin Co.: Richard M. and Mathilde Rice Elliot SNA / TNC (46.58719 -96.36436): 1 ♀ (MNDNR), 7 Jun 2016, M.J. Bach and A. Moorhouse leg., bowl, det. J. Gardner and conf. Z. Portman.