Fauna
Invertebrate · GBIF taxon 1017419

Greenhouse Millipede

Oxidus gracilis

Also known as Hothouse Millipede, Short-Flange Millipede, Garden Millipede

Greenhouse millipedes thrive in moist soil, leaf litter, and potted plants, feeding primarily on decaying organic matter. Originating in East Asia, these dark brown, flat-backed millipedes have spread globally through the trade of nursery stock and greenhouse materials. When threatened, they curl into a tight coil and release a faint almond-scented fluid containing defensive cyanogenic compounds to deter predators.

DetritivoreIntroducedNocturnal
Greenhouse Millipede reference1 / 7
Licensed referenceJCoelho / CC BY 2.0 · cc-by
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
  • Decaying leaves
  • Fungal growth
  • Soil organic matter
Predators
  • Toads
  • Ground beetles
  • Centipedes
ThreatsDesiccation and pesticide application
HabitatsGreenhouses, gardens, compost heaps, and damp leaf litter
Life span1–2 years
  1. OrderPolydesmida
  2. FamilyParadoxosomatidae
  3. GenusOxidus
  4. SpeciesOxidus gracilis
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Look under mulch: Turn over moist leaf litter, garden pots, or compost to find hidden clusters.
  • Observe gently: Avoid crushing them to prevent the release of their mild almond-scented chemical defense.
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