Hylaeus (Prosopis) affinis (Smith 1853)

County records: Alcona, Allegan, Antrim, Arenac, Barry, Bay, Berrien, Cass, Cheboygan, Clare, Clinton, Dickinson, Eaton, Emmet, Genesee, Gladwin, Huron, Ingham, Ionia, Iosco, Iron, Isabella, Jackson, Kalamazoo, Kent, Lake, Lapeer, Leelanau, Lenawee, Livingston, Mackinac, Manistee, Marquette, Mecosta, Midland, Montcalm, Newaygo, Oakland, Osceola, Ottawa, Roscommon, Saginaw, Shiawassee, St. Joseph, Tuscola, Van Buren, Washtenaw.

Notes. Females are difficult to distinguish from H. modestus, see below.