[GAAAAAAAAAH. -egg]
Parasitic wasp sanitizes its victims from the inside out: So, the downside is that you are being eaten alive, from the inside out, by a wasp larva. On the plus side, though, at least it has the courtesy to disinfect you as it goes along. At Nature News you can watch a baby cockroach wasp burrows around through the insides of an American cockroach, leaving a trail of clear, liquid anti-microbials in its wake.