Colletes mandibularis Smith, 1853

Counties: Anoka, Washington.

Material examined: Anoka Co.: Cedar Creek Natural History Area (45.402 -93.202): 1 ♀ 23 Aug 1989, J. Haarstad leg. ; 1 ♁, 22 Aug 1997; 1 ♁, 15 Jul 1995, J. Haarstad leg.; Washington Co.: Belwin Conservancy (44.925 -92.79): 1 ♀, 4 Sep 2015, J. Gardner leg. , net, Solidago nemoralis . Determined by J. Gardner, confirmed by Z. Portman .