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Sticker of Yellow-shouldered slug moth
Bug card No. 4911 of 4,939

Yellow-shouldered slug moth

Lithacodes fasciola
Eats: PlantsMothsForests and woods6 legs

The yellow-shouldered slug moth is a small, fluffy brown moth with a white stripe across its wings. Its caterpillar is the real surprise. It is flat, green and striped, and it creeps along like a tiny slug.

Lives in
North America, in woods and gardens with leafy trees
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting people, so you can watch it up close.
What does it eat?
The caterpillar munches the leaves of many trees and bushes, like apple, oak, maple, birch, cherry and willow.
For real!Photo of Yellow-shouldered slug moth
Picture by Lior Carlson. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

The caterpillar has very short legs. Its back legs work like little suction cups, so it glides instead of walking.

2

A full-grown caterpillar is only about 15 millimetres long and has tiny dents all over its back.

3

Before it turns into a moth, it makes a cocoon shaped like a cup, with a round door to climb out of.

4

The grown-up moth is only about 1 centimetre long and looks a bit hairy.

you asked

Most asked questions about Yellow-shouldered slug moth

?What does the yellow-shouldered slug caterpillar eat?

Leaves of many trees and shrubs, for example apple, oak, beech, maple and willow.

?Why is it called a slug moth?

Because its caterpillar is flat and smooth and slides along like a little slug.

For bug experts

Scientific name
Lithacodes fasciola
Group
Moths
Family
Limacodidae
Classification
Insecta > Lepidoptera > Limacodidae
Lives on
North America
Also known as
Yellow-shouldered slug, Ochre-winged hag moth

Where the facts come from

  1. Lithacodes fasciola (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Lior Carlson. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Moths

Also at home here: Forests and woods

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