Bug Wiki
Sticker of Wood cricket
Bug card No. 1475 of 1,500

Wood cricket

Nemobius sylvestris

The wood cricket is a small dark brown cricket that lives among fallen leaves at the edge of woods. It has long, thin feelers and cannot fly. On warm days you can hear the males singing, but it is very hard to find them.

Lives in
Western, central and southern Europe and North Africa, now also in parts of the USA, in sunny woodland edges
Length
1 cm (0.39 in)
Top speed
about 2.1 km/h (1.3 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is tiny and just hops away if you come close.
What does it eat?
It eats rotting leaves on the forest floor and maybe the fungus that grows on them.
For real!Photo of Wood cricket
Picture by Gilles San Martin from Namur, Belgium. CC BY-SA 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Wood cricket about 1 cm long (0.39 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowcould run across a dinner table in 1.7 secondsmoves 58 times its own body length every second

How big is Wood cricket compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

The males sing day and night when it is warm, with a loud two-note call.

2

When it is disturbed, it jumps away with its strong back legs or hides in the leaves.

3

Unlike most of its relatives, it lives for two years.

4

Since it cannot fly, it rarely goes far. Males were found about 55 metres from the woodland edge.

5

In England it once arrived in a garden by accident, hidden in a delivery of azalea plants.

you asked

Most asked questions about Wood cricket

?Can the wood cricket fly?

No. It has no back wings, so it walks and jumps instead.

?How big is the wood cricket?

It is only about 1 centimetre long.

?Where can you hear a wood cricket?

In sunny spots at the edge of woods with lots of fallen leaves, on warm days and nights.

For bug experts

Scientific name
Nemobius sylvestris
Group
Grasshoppers and crickets
Family
Trigonidiidae
Classification
Insecta > Orthoptera > Trigonidiidae
Lives on
Europe, Africa, North America

Where the facts come from

  1. Nemobius sylvestris (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 Gilles San Martin from Namur, Belgium. CC BY-SA 2.0, 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: Grasshoppers and crickets

Also at home here: Forests and woods