. . . . . . . . . "Osmia rufa" . . "Prunus laurocerasus" . . "Jakob Fahr. 2014. Osmia rufa eating Prunus laurocerasus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/620410> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .