Osmia coloradensis
Colorado mason bee
Megachilidae
Vancouver Island Lower Mainland Coast
Observation notes
Guzman et al., 2023: (Elle), 2005; (Neame), 2007; (Gielens), 2009; (Wray), 2012; (Gillespie), 2014, 2015, (Kelly), 2017, Vancouver Island. (Toshack), 2015, Abbotsford. NBSBC Bee Atlas Database: (Zand), 2022, 2023, (Gadzik), 2022; (Lee), 2023, Vancouver Island; (Young), 2023, Sunshine Coast; (Quayle), 2023, Galiano Island. iNaturalist: Vancouver Island, from 2021.