epigeic
/ˌɛpɪˈdʒiːɪk/
adjective
- Describing organisms, especially earthworms, that live and feed in the upper layers of soil or on the surface.
- Epigeic earthworms help break down dead leaves on the forest floor.
- The epigeic species were found just beneath the layer of mulch.
- Gardeners value epigeic worms for their role in composting organic matter.