First I'll try Google lens with my phone and then I'll check with bugguide.net. That looks like a pretty lethal stinger in the rear! Amazing how much detail this lens can resolve when it's zoomed and cropped so much.

It's not a stinger, apparently, but an ovipositor making it a female. https://www.whatsthatbug.com/2015/07/23/robber-fly-carnage/