
Community identification
Pillbug (roly-poly)
Armadillidium vulgare
- Order & Family
- Isopoda (woodlice; traditionally placed in Crustacea), Armadillidiidae
- Size
- About 10–18 mm long.
Natural Habitat
Moist, sheltered places such as under logs, stones, leaf litter, and garden debris.
Diet & Feeding
Feeds mainly on decaying plant material and fungi; occasionally consumes tender living plants.
Behavior Patterns
A terrestrial crustacean, not an insect, that is active in damp conditions and rolls into a ball when disturbed. Females carry developing young in a brood pouch.
Risks & Benefits
Harmless to people and pets; helps break down dead plant matter and recycle nutrients. Large numbers may nibble seedlings or soft garden plants.