Doug, like wise. I was riding my Greeves with a mate slipstreaming me at a breakneck speed and was hit by a large bee flying in the opposite and right on my throat/Adams apple. It brought me off and I lost a brake lever and gear lever. How did I know it was a bee? It was well squashed/crushed and inside my sweater.
My fiend, in loose trail, ran over my Greeves but remained upright. He saw it happen as well.