Colletes solidaginis Swenk 1906 ( americanus group)

County records: Allegan, Arenac, Barry, Bay, Chippewa, Gladwin, Kalamazoo, Lake, Livingston, Mecosta, Midland, Montcalm, Muskegon, Newaygo, Oceana, Washtenaw.

Notes. Specialist on Solidago (Wagner & Ascher 2014)