Bug Identifier
Flat-backed Millipede
Community identification

Flat-backed Millipede

Polydesmida

Order & Family
Order: Polydesmida / Family: Polydesmidae (various families within the order)
Size
10 to 50 mm (0.4 to 2 inches) depending on the species.
See this bug in the Encyclopedia

Natural Habitat

Damp environments such as leaf litter, rotting logs, and under rocks where moisture is high.

Diet & Feeding

Detritivorous, primarily consuming decaying plant matter, rotting wood, and fungi.

Behavior Patterns

Slow-moving and nocturnal. They typically lack eyes and navigate using antennae. When threatened, they curl into a tight coil to protect their soft underside and may secrete defensive chemicals.

Risks & Benefits

Benefits: Essential decomposers that help recycle nutrients into the soil. Risks: Harmless to humans, though some species produce foul-smelling secretions (like hydrogen cyanide) that can irritate skin or eyes if handled roughly.