Watch as these gruesome parasites emerge from their hosts. The interaction between parasites and their hosts can be gruesome: They manipulate, invade and terrorize their unsuspecting hosts, often killing them in the process. From mind-controlling organisms to flesh-eating invaders, here's a horrifying set of videos and pictures that capture the moment when parasites burst from their hosts. Horsehair parasite forces praying mantis to drown itself In this video, a parasitic nematode escapes the body of a praying mantis abdomen that is under water. The parasite in question is Coptotermes formosanus, more commonly known as a horsehair worm. These worm-like parasites...