Megachile (Sayapis) pugnata pugnata Say 1837

County records: Allegan, Barry, Berrien, Cass, Cheboygan, Clinton, Dickinson, Eaton, Emmet, Gladwin, Gogebic, Gratiot, Ingham, Iron, Jackson, Kalamazoo, Kalkaska, Kent, Keweenaw, Lake, Lapeer, Livingston, Macomb, Mecosta, Midland, Monroe, Montmorency, Oakland, Otsego, Ottawa, Roscommon, Saginaw, St. Joseph, Van Buren, Washtenaw, Wayne.

Notes. Specialist on Asteraceae . This cavity-nester has been studied in Wisconsin (Medler 1964a; Medler & Lussenhop 1968). In Utah, it has been explored for its potential as a managed pollinator of commercial sunflower (Tepedino & Frohlich 1982). Megachile pugnata is commonly found in trap-nests placed in both MSU campus, East Lansing, Michigan and prairie restorations in the LP (JG, pers. obs.).