Classifying worm species
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Classifying Worm Species. Worms species come in three general categories. Litter dwelling ( Epigeic ) Soil dwelling (Endogenic) And deep burrowing ( Anecic ). Identifying Adult Worms.

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Classifying Worm Species

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Classifying worm species

Classifying Worm Species


Worms species come in three general categories

Worms species come in three general categories

  • Litter dwelling (Epigeic)

  • Soil dwelling (Endogenic)

  • And deep burrowing (Anecic)


Identifying adult worms

Identifying Adult Worms

  • Adult worms have a thickened segment in their mid section that houses their reproductive organs, the clitellum


Litter dwelling earthworms

Litter Dwelling Earthworms

  • Do not build permanent burrows

  • Live in and consume the leaf-litter layers of the forest floor

  • Are typically the kind of worm you would find in a compost heap

  • Only grow to between 2 cm and 7 cm long


Epigenic earthworms

Epigenic Earthworms


Soil dwelling earthworms

Soil Dwelling Earthworms

  • Build permanent burrows and rarely come to the surface

  • Are unpigmented

  • Only come to the surface if there is very heavy rainfall


Endogenic earthworms

Endogenic Earthworms


Deep burrowing earthworms

Deep Burrowing Earthworms

  • Burrow deep into the ground (up to six feet)

  • Burrows are covered by a pile of feaces and leaves called a “midden”

  • Deeply pigmented with a lighter tail

  • Adults can grow up to 15 cm long

  • Typically used as fishing bait


Deep burrowing earthworms1

Deep Burrowing Earthworms


Deep burrowing earthworms burrows

Deep Burrowing Earthworms Burrows


Deep burrowing earthworms midden

Deep Burrowing Earthworms Midden


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