Common Pill Bug
Scientific Name: Armadillidium vulgare
Order & Family: Order Isopoda, Family Armadillidiidae
Size: Typically 8 to 18 mm in length.

Natural Habitat
Damp environments such as leaf litter, under rocks, logs, or in mulch where high moisture levels exist.
Diet & Feeding
Mostly detritivores, feeding on decaying plant matter, algae, and occasionally young plants or fungi.
Behavior Patterns
Nocturnal crustaceans that roll into a ball (conglobation) when threatened; they breathe through gill-like structures and must remain moist to survive.
Risks & Benefits
Generally harmless to humans; they benefit the ecosystem by breaking down organic matter and recycling nutrients into the soil.
Identified on: 6/17/2026