Crowned Slug Moth (Isa textula)
The crowned slug moth is a member of the family of slug moths. German entomologist Dr Gottlieb August Wilhelm Herrich-Schäffer first named it in 1854.
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Scientific Classification
- Family: Limacodidae
- Genus: Isa
- Scientific Name: Isa textula
Description and Identification
Caterpillar
This caterpillar has one of the unique appearances in the world. They are pale-green, with a flattened, oval shape, having two yellow stripes running down their back that form a “horn”. Both sides of their bodies are covered with pastel green hairs, and their tops have less conspicuous hairs. These hairs sting when touched.
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Pupa
After maturing, the larvae begin to spin dense oval cocoons where they pupate.
Adult Moth
Sexual Dimorphism: Present but not prominent.
Color and Appearance
Forewings: When opened, the wings appear brown with patches of gray not clearly visible. When closed, the color remains unchanged, with the grayish marking barely seen.
Hindwings: When opened and closed, the hindwings are brown.
Average wingspan: 19 mm
Flight pattern: Consistent
Season: May to August
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Egg
Female moths lay their eggs near the base of the host plant.
Quick Facts
| Other Names | Skiff Moth |
| Distribution | North America; Florida, Massachusetts, Minnesota, Mississippi, Ontario, and Texas |
| Habitat | Deciduous forests |
| Lifespan of Adults | Not recorded |
| Host Plants | Cherry, elm, hickory, linden, maple, oak, prunes, and Norway maple |
| Adult Diet | Does not feed |
Did You Know
- Their alternate name, skiff moth, is shared with another species Prolimacodes badia.
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Scientific Classification
- Family: Limacodidae
- Genus: Isa
- Scientific Name: Isa textula
