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Sticker of Australian wood cockroach
Bug card No. 0233 of 4,939

Australian wood cockroach

Panesthia australis
Eats: WoodCockroaches and termitesForests and woods6 legs

The Australian wood cockroach is a big, shiny black cockroach that lives in the forests of Australia. It is not a kitchen pest. It lives with its family inside old rotting logs.

Lives in
Eastern Australia, especially New South Wales, in rotting logs
Length
3.4 cm (1.3 in)
about
Top speed
about 3.2 km/h (2 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting and stays hidden inside its log.
What does it eat?
It lives inside rotting wood and feeds on the soft, crumbly wood around it.
For real!Photo of Australian wood cockroach
Picture by (c) Andrew Allen, some rights reserved (CC BY). CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Australian wood cockroach about 3.4 cm long (1.3 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 6 grains of rice in a rowcould run across a dinner table in 1.1 secondsmoves 26 times its own body length every second

How big is Australian wood cockroach compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It lives in family groups, with grown-ups and babies sharing the same log.

2

The walls of its tunnels are made from its own droppings.

3

Its babies, called nymphs, can be anything from 7 mm to 35 mm long as they grow.

4

Males and females look almost exactly the same.

you asked

Most asked questions about Australian wood cockroach

?Is the Australian wood cockroach dangerous?

No. It does not bite or sting, and it lives in rotting logs in the forest, not in houses.

?How big is an Australian wood cockroach?

A grown-up is usually about 3.4 cm long, about as long as a matchbox.

For bug experts

Scientific name
Panesthia australis
Group
Cockroaches and termites
Family
Blaberidae
Classification
Insecta > Blattodea > Blaberidae
Lives on
Australia and Oceania
Also known as
Common wood cockroach

Where the facts come from

  1. Panesthia australis (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 (c) Andrew Allen, some rights reserved (CC BY). CC BY 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: Cockroaches and termites

Also at home here: Forests and woods

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