Andrena (Micrandrena) illinoiensis Robertson 1891 ( illinoiensis group)

County records: Arenac, Clinton, Eaton, Gladwin, Ingham, Iosco, Isabella, Jackson, Kalkaska, Mecosta, Midland, Missaukee, Montcalm, Newaygo, Oakland, Osceola, Wexford.

Notes. Strongly prefers Salix (Salicaceae) (Ribble 1968).