Megachile (Megachile) inermis Provancher 1888

County records: Alger, Alpena, Antrim, Arenac, Baraga, Bay, Benzie, Cheboygan, Chippewa, Clare, Crawford, Delta, Dickinson, Emmet, Gladwin, Gogebic, Grand Traverse, Iosco, Iron, Jackson, Kalkaska, Keweenaw, Lake, Leelanau, Livingston, Luce, Mackinac, Manistee, Marquette, Menominee, Midland, Missaukee, Montmorency, Oakland, Oceana, Ontonagon, Oscoda, Otsego, Presque Isle, Saginaw, Schoolcraft, Shiawassee, Van Buren.

Notes. Cavity-nests described from Manitoba and Sastkatchewan (Peck & Bolton 1946; Stephen 1955, 1956), Wisconsin (Medler 1958; Medler & Lussenhop 1968), and Ontario (Fye 1965).