Scientists have just discovered that bees see colours that are invisible to the human eye. These colours known as iridescence are found on the petals of flowers and are there to attract bees for pollination along with colour. Iridescence is not a pigment but is due to the surface structure and will change according to the angle.
Check out this very cool pollinating bee log available at www.henandhammock.co.uk. It is a home for mason bees and other solitary types. As you are all aware the bees are in trouble. Their decline is unprecedented and is extremely disturbing. Before we know we may not have any meadows or honey left to name a few. One way of helping is creating planting schemes with plants that are nectar rich. Also just creating habitats like the one above will help the bees.
For more info on the decline of bees click the link below: