Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Insect relatives: Spiders, millipedes, centipedes, sowbugs, etc. - 2 inches and larger > Earthworms
Earthworms
Phylum Annelida
David Shetlar, Ohio State University
Description: 1 - 4 inches long.
Where/When: They tunnel in the soil and may come up to the surface on rainy days especially during spring.
Significance: Beneficial to gardens by aerating and fertilizing the soil.
More information on Earthworms