There are wasps that inject their larvae into caterpillars (and other animals). The larvae eat the host alive, but are careful to avoid vital organs. The wasp o

There are wasps that inject their larvae into caterpillars (and other animals). The larvae eat the host alive, but are careful to avoid vital organs. The wasp or larva/pupa inject/secrete something that controls the caterpillar, and soon the larva burrow out of the host. The caterpillar ends up spinning silk to nurture the larva after they come out, and defends them until it starves to death. https://www.wired.com/2014/10/absurd-creature-week-glyptapanteles-wasp-caterpillar-bodyguard/ https://www.wired.com/2014/10/absurd-creature-week-glyptapan... https://en.wikipedia.org/wiki/Parasitoid_wasp https://en.wikipedia.org/wiki/Parasitoid_wasp https://www.youtube.com/watch?v=vMG-LWyNcAs https://www.youtube.com/watch?v=vMG-LWyNcAs