Clematis Bees and Butterflies info

This page is still under development, but the concept is below, we just need to find out a few more facts relating to the genus clematis - so if you see (?) it means we will be filling that space with the answer shortly.

1. Bees need nectar for sugar energy, and pollen for protein.  Bees species like more open flower shapes like clematis, as both short and longer tongue types can reach nectar and pollen.  The earliest UK bees emerge as early as February if temperatures happen to reach (? will check).  Bees are in UK gardens as late as (?) so very late flowering clematis cultivars are invaluable to sustain them before winter sets in.
2. Bees 'smell' from their antennae, mouth and the tips of their toes!?
3. They can smell flowers a hundred times further away than humans.  What they smell is also more differentiated - they are attracted to very complex profiles of scent that are emitted from flower nectar, pollen and also in some plants from special scent-producing cells on the petals (not sure if clematis have this).  
4. Individual bees imprint the scent profiles and can remember where they found them in a row of gardens - a week later...  Not bad when some native species only live a few weeks!?
5. Many folk already know that bees 'see' flowers differently to humans - they can pick up UV patterns on petals that we can't see and don't know is there.  It means that even red flowers can attract bees if there are UV patterns on the petals (they can't pick up 'red' which they see as black).  [Not sure if clematis have fancy UV patterns - if they do a tinted photo might be interesting?]
6. Bees also pick up a negative electrical 'static' charge that most flowers produce [clematis too?].  If the charge is reduced when they get close, they know that a particular flower has been visited recently- so the plant might have had time to replenish the nectar and pollen