North American Millipede
Scientific Name: Narceus americanus
Order & Family: Spirobolida, Spirobolidae
Size: Up to 4 inches (10 cm) in length

Natural Habitat
Deciduous forests, organic leaf litter, under logs and rocks, and moist garden soil
Diet & Feeding
Detritivore; feeds on decaying plant matter, rotting wood, and occasionally fungi
Behavior Patterns
Primarily nocturnal and slow-moving. When threatened, they curl into a tight spiral to protect their soft underside and may secrete a foul-smelling liquid.
Risks & Benefits
Benefit: Vital decomposers that help cycle nutrients back into the soil. Risk: They can secrete a defensive fluid that may irritate human skin or eyes if handled.
Identified on: 5/30/2026