Pill bugs, also known as “roly-polies,” aren’t real insects. Instead, they’re crustaceans that live on land. In the U.S., the most common pill bug is the Armadillidium vulgare (Latreille).
Pill bugs are scavengers that prefer to live in high moisture areas. Since their bodies don’t hold water, their bodies are more active at night than during the day. During the day, pill bugs live under wood edging found in landscapes and garden beds, mulch, flowerpots and trashcans.
Pill bugs are scavengers. They eat decaying plant materials and sometimes they’ll damage young plants. If they can find it, they will eat decaying animals.
Pill bugs find their way into homes through ground-level entrances, including sliding glass doors as well a garages and storage buildings.
Except for destroying young plants, pill bugs don’t pose a threat to people. Additionally, pill bugs won’t deposit their eggs nor destroy household items.Indoor environment is too dry for them, and they die once they come inside.