Alright, Sherlock.  What’s going on here?

Five points each for the identity of the big round thing, for the insect at the top, and for the insect at the side. Ten points for describing the story.

And a freebie point to anyone who comes up with an idea for what to do with all these points.

This scene was photographed in the fall in southern Illinois. Here are close-ups of the critters:

mystery wasp #1

mystery wasp#2