OMG it's smaller than an amoeba!
I'm screaming!!
They lay their eggs inside of the eggs of 1-2mm long crop pests.
And... read the article to see what the males are like... they are even smaller somehow, but it's ... disturbing.
https://blogs.dal.ca/openthink/a-tiny-wasps-big-brain-survival-strategy/
Photo by Alexey Polilov, 2012