I’d never seen a horntail wasp until I saw this one last week, but knew at a glance what it was. Note the horn on the tail, just above its rather short, stout ovipositor. It is NOT a stinger.
And so now, I have familiarity with both the predator and the prey. How they interact is truly amazing, and a story I had known about for decades.
This short video below shows excellent details of the Ichneumonid’s remarkable way of getting its egg onto the horntail larva deep inside the trunk of a tree. Worth your time. Trust me.