Andrena (Callandrena s. l.) simplex Smith 1853 ( simplex group)

County records: Allegan, Bay, Huron, Ingham, Isabella, Mecosta, Midland, Muskegon, Ogemaw, Otsego, Roscommon, Shiawassee, Washtenaw.

Notes. Specialist on Solidago and Symphyotrichum (Asteraceae) (LaBerge 1967).