Osmia nigrifrons
Megachilidae
Vancouver Island
Observation notes
Gibson 1917: 1914, (Sladen), Invermere. Sandhouse 1924: (E.P.VanDuzee), 1920, Nanaimo Biological Station. Buckell 1950: (G.J.Spencer), 1920, Vancouver; (E.P.VanDuzee), 1920, Nanaimo. Guzman et al., 2023: (Neame), 2007; (Gielens), 2009, Vancouver Island.