Home / Slug Moth (Limacodidae) / Spiny Oak Slug Moth (Euclea delphinii)

Spiny Oak Slug Moth (Euclea delphinii)

The spiny oak slug moth is a member of the slug moth family, found in parts of North America.

Spiny Oak Slug Moth

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Scientific Classification


  • Family: Limacodidae
  • Genus: Euclea
  • Scientific Name: Euclea delphinii

Description and Identification

Caterpillar

Primarily green, but also brown, pink, red, or yellow. It is flat instead of tubular and is covered with yellow or orange stinging spines. They are around 20 mm long.

Spiny Oak Slug Moth Caterpillar

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Pupa

After the larvae mature, pupation begins.

Spiny Oak Slug Moth Cocoon

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Adult Moth

Sexual Dimorphism: Present but not prominent.

Color and Appearance

Forewing: When the wings are open, they are brown with mint-green patches. When the wings are closed, the colors are still observable.

Hindwing: When the wings are open, a pale gray-brown color is observed. When the wings are closed, the colors can still be seen.

Average wingspan: 19-31 mm

Flight pattern: Erratic

Season: late spring to late autumn

Euclea delphinii

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Egg

The eggs are laid in clusters or singly on leaves.

Spiny Oak Slug Moth Eggs

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Quick Facts

DistributionNorth America; Quebec and New Brunswick to Florida, west to Texas, north to Minnesota
HabitatDeciduous forests
Lifespan of AdultsNot recorded
Host PlantsApple, ash, basswood, beech, birch, blueberry, cherry, chestnut, hackberry, hickory, maple, oak, poplar, sycamore, and willow
Adult DietDoes not feed

Did You Know

  • When humans touch the spines, they can embed themselves into the skin, causing burning, itching, irritation, pain, and redness.
Spiny Oak Slug Moth Image

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Spiny Oak Slug Moth Picture

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