
Community identification
Pill Bug (Woodlouse / Roly-Poly)
Armadillidium vulgare
- Order & Family
- Isopoda, Armadillidiidae
- Size
- 8 - 18 mm (0.3 - 0.7 inches)
Natural Habitat
Damp, dark environments such as soil, under rocks, decaying wood, compost, and leaf litter.
Diet & Feeding
Detritivore; feeds on decaying organic matter, rotting wood, dead leaves, fungi, and occasionally young plants or roots.
Behavior Patterns
Nocturnal invertebrates that curl into a tight ball (conglobation) when threatened to protect their soft undersides. They require high moisture levels to breathe through gill-like structures.
Risks & Benefits
Harmless to humans; beneficial decomposers that enrich soil quality and recycle nutrients, though in large numbers they can occasionally nibble on soft roots or tender seedlings in gardens.