As usual, Ted C. MacRae was right on all counts for this challenge:
I thought perhaps the swept-back antenna across the bottom third of the photo might throw people off. Not so.
Here’s a better shot of the katydid which was cooperative enough to allow some good closeups. This should put all the body parts shown above in context.
My sister guessed a dragonfly via a Facebook comment. I can see the resemblance so not a bad guess.