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Sticker of Grey field slug
Bug card No. 0696 of 1,500

Grey field slug

Deroceras reticulatum
Eats: A bit of everythingSnails, slugs and wormsGardens and meadowsNo legsNot an insect, but a bug cousin

The grey field slug is a small creamy grey slug with a pattern of dark spots like a net on its back. It has no shell at all. It comes out at night to eat leaves in gardens and fields.

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 Europe and North Africa, now in gardens and fields in many parts of the world
Length
4 to 6 cm (1.6 to 2.4 in)
Top speed
about 0.02 km/h (0.01 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting. Wash your hands after touching one, because germs can stick to its slimy body.
What does it eat?
It mostly eats fresh leaves, fruit and young seedlings. Farmers and gardeners do not like it, because it nibbles their crops.
For real!Photo of Grey field slug
Picture by Bruce Marlin. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Grey field slug about 6 cm long (2.4 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
as long as 2 toy building bricks in a rowneeds 3 minutes to cross a dinner table

How big is Grey field slug compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

Its slime is clear, but when the slug is bothered it turns milky white. That is why it is also called the milky slug.

2

In one night it can slide up to 12 metres.

3

During the day it hides under stones and old leaves.

4

It lays hundreds of eggs, and most slugs live for only about a year.

5

Ground beetles are its enemies and gobble up its eggs and babies.

you asked

Most asked questions about Grey field slug

?Is the grey field slug harmful?

Not to people. But it eats young plants, so it is a big pest for farmers and gardeners.

?How big is the grey field slug?

It can be about 4 to 6 cm long when it stretches out.

?What does the grey field slug eat?

Mostly fresh leaves, fruit and young seedlings.

For bug experts

Scientific name
Deroceras reticulatum
Group
Snails, slugs and worms
Family
Agriolimacidae
Classification
Gastropoda > Stylommatophora > Agriolimacidae
Lives on
Europe, Africa, North America, South America, Australia and Oceania, Asia
Also known as
Grey garden slug, Milky slug

Where the facts come from

  1. Deroceras reticulatum (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 Bruce Marlin. CC BY-SA 3.0, 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: Gardens and meadows