Good Nightmare...#39...Nematomorpha...*

 

The "horsehair worms" are internal parasites of insects and crayfish. The image above shows the worms that emerge from the insect. Referring precisely to this, you can see that the larva can really manipulate the behavior of cricket in question. The worm, harboring in its interior, can make that the cricket jumps into the water. Once adult comes out of his body, thus making him drown...*