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Sticker of Yellow slug
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Yellow slug

Limacus flavus
Eats: A bit of everythingSnails, slugs and wormsHouses and farmsNo legsNot an insect, but a bug cousin

The yellow slug is a big slug with yellow skin covered in darker blotches. Its feelers are blue-grey. It likes damp places near people, like cellars, kitchens and gardens, and only comes out at night.

Fun fact: this one is not an insect at all, it has no legs! But kids find it on every bug hunt, so it lives in Bug Wiki too.
Lives in
First from around the Mediterranean, now in many parts of the world, in cellars, drains and damp gardens
Length
13 cm (5.1 in)
Top speed
about 0.03 km/h (0.02 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting. Wash your hands if you touch it.
What does it eat?
It eats mostly fungi, rotting leftovers and vegetables.
For real!Photo of Yellow slug
Picture by Pato Malruk Knight. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Yellow slug about 13 cm long (5.1 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)A house cat about 50 cm (20 in)
as long as 4 toy building bricks in a rowabout as long as your handneeds 2 minutes to cross a dinner table

How big is Yellow slug compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

It has two pairs of feelers. The top pair senses light and the bottom pair is for smelling.

2

If it loses a feeler, it can grow a new one.

3

The baby slugs are much darker than the grown-ups.

4

Its slime can be yellow or see-through.

5

Because it only comes out at night, many people never notice that it lives near them.

you asked

Most asked questions about Yellow slug

?Where does the yellow slug live?

In damp places near people, like cellars, kitchens, drains and gardens.

?Is the yellow slug harmful?

No. It is harmless to people.

?How big is the yellow slug?

It is a big slug and can grow up to about 13 cm long.

For bug experts

Scientific name
Limacus flavus
Group
Snails, slugs and worms
Family
Limacidae
Classification
Gastropoda > Stylommatophora > Limacidae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
Cellar slug, Tawny garden slug

Where the facts come from

  1. Limacus flavus (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 Pato Malruk Knight. CC BY 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Snails, slugs and worms

Also at home here: Houses and farms