Aprilgem has found the reason, thankyou. I had actually turned shadows off for the front flower, so the flower is not casting shadows, but the bee sitting on it is. Mind you that is a weird situation anyway. Thanks for the help. And Bandolin, I am ashamed to say you are right and I have definitely typed the wrong spelling.

The greatest part of wisdom is learning to develop  the ineffable genius of extracting the "neither here nor there" out of any situation...."