Somehow I missed considering Sympetrum. That's a much better fit. I see that another contributor made the "reverse error" to mine with the same two taxa:

 

But wow...S. illotum matches my post so much better!! For instance, in it's deep red body; in the two pale yellow spots low on the thorax; and in the wings held "forward"; etc.

I'm adding two images...one showing the thorax spots more clearly, and the other a collage of the terminalia.