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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Insect relatives: Spiders, millipedes, centipedes, sowbugs, etc. - 1 to 2 inches long > Stone centipedes

Stone centipede
Photo Credit: Jeff Hahn, University of Minnesota

Stone centipedes
Lithobiomorpha spp.
Size: Up to 1 ¾ inches long

Where/When: They are found under mulch, leaves, loose bark, stones, and similar sites.

Significance: They feed on small living creatures such as insects, spiders, and other arthropods, like sowbugs and millipedes that live in the ground on the soil surface and are harmless to people.
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