To celebrate 2010, the International Year of Biodiversity, British Land and the City of London sponsored a design competition for a “Hotel for Insects.” Arup Associates won with the design above. The rules stipulated that the hotel had to accommodate stag beetles, solitary bees, butterflies, moths, spiders, lacewings and ladybugs.
Read the full article here Thanks to Leonardo of the Backwards Beekeepers for the tip.
See some other examples of attractive solitary bee habitats at http://www.wildbienen.de/wbschutz.htm. It’s in German, but the pictures speak for themselves.