Did you know that pillbugs are common back yard inhabitants. Pillbugs got there name because when they are disrupted they can roll into a ball like an old fashioned pill . They are related to snowbugs. Snow bugs and pillbugs look similar but they are a little flatter and can’t roll. Pillbugs are crustaceans like crabs or lobsters. They breathe threw their gills Instead of lungs. The girls are under the pillbug and must be Kept slightly moist.