Like the movie “Alien”. But real!
There are many species of wasp that keep insect “pests” (meaning those that people don’t like) under control. A very good reason not to bomb yards with insecticides. You might get a mosquito-free evening, but it kills everything—including the good stuff.
Below is another wasp trying to pass on the family genes, surrounded by parasitized aphids that are feeding the next generation of parasites.