This is very interesting. We have heard recently that Mealworms eat plastic and Waxworms eat Styrofoam, but now the Roly Poly might actually be helping us by removing heavy metals from the soil. Get some Isopods and save the Earth. This give an entirely new meaning to the term "clean-up crew" when applied to Isopods in terrariums.
We will have Armadillidium Vulgare, which is the species that this story is about, when the weather warms up again. We have some beautiful morphs. Check out the pics below. The story is below also.