The larva is grotesque, with large, curved mandibles bearing sharp spines, a flattened head on a flexible neck, ... a foraging ant (or beetle, spider, or pill bug) will wander into the pit and its ...

But one account that I hear over and over is about the cute little bug known affectionally as the Roly-Poly. There are many other names for this creature as well, including Pill Bug, Doodle Bug ...