yellow-spotted millipede (harpaphe haydeniana) among leaf litter: (pix sanjiv shukla)

yellow-spotted millipede harpaphe haydeniana almond-scented cyanide arthropods diplopoda flat-backed family xystodesmidae moist forest pacific coast insect nature natural north america dark coloration yellow-tipped keels exude toxic species hydrogen cyanide defense pattern body black olive green marked patches yellow colour body segments legs ecosystem leaf litter nutrients redwood humus predators warning secrete africa asia northern hemisphere beautiful mimicry living floor deciduous slow-moving decaying dead plant matter