Nesting: Bee Blocks, Condos and Tunnel Nests Native Bees, Wild Bees and Solitary Bees: University of Minnesota Nesting Blocks and Bee Condos, UC Berekley Urban Bee Lab Nests for Native Bees: The Xerces Society The Logan BeeMail Shelter Tunnel Nests for Native Bees: The Xerces Society USDA Blue Orchard Bee Nesting Info Xerces Society Nests for Native Bees