Osmia (Melanosmia) atriventris Cresson 1864

County records: Alger, Alpena, Allegan, Antrim, Barry, Berrien, Charlevoix, Cheboygan, Emmet, Grand Traverse, Ingham, Jackson, Keweenaw, Lake, Lapeer, Leelanau, Livingston, Marquette, Midland, Muskegon, Oceana, Ottawa, Saginaw, Shiawassee, Van Buren, Washtenaw.

Notes. Cavity-nesting described in Ontario (Fye 1965) and South Carolina (Horn & Hanula 2004).