Oval bodies, convex above and flat or hollow underneath. Never over 3/4″ long. Both have seven pairs of legs. The sowbug has two tail-like appendages that prevent it from rolling up in a ball. The pillbug, however, lacks these appendages and rolls itself into a tight ball.They prefer moist locations and can be found under vegetable debris or any object on damp ground. Frequently invade damp basements, crawl spaces and may infest potted plants.
Number of Legs: More than 8 Legs