Insects can do horrible things to each other in the name of survival and reproduction. If you've been a Neatorama reader for some time, you've probably read some of our zombie parasite posts, many of which feature parasitic wasps who lay their eggs inside other insects, which then hatch and eat their way out. Or they may control the host insect's behavior in bizarre ways that benefit the parasite's species. It's pretty gross to even think about, but now you can see it happen. Ze Frank's True Facts series looks at parasitic wasps and their sick lifestyles that revolve around taking advantage of other insects. There's a 7-second skippable ad at 3:38.