Thanks David.
Know what you mean John. My hit rate is pretty poor.
Geoff, I think you may have nailed the first one as a wasp. It's the only view that I have but it looks like a Mason Wasp with that broad black band - perhaps. It originally had what I thought was noise in the bands but I now think might have been indentations that the Mason wasp also seems to have. In my ignorance, I applied some selective noise reduction.