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Sticker of Smoky brown cockroach
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Smoky brown cockroach

Periplaneta fuliginosa

The smoky brown cockroach is a big, shiny cockroach, all one dark brown colour. It has wings and likes warm, damp places. It mostly comes out in the evening, when the air is moist.

Lives in
Warm places around the world, like the southern United States, Japan and Australia
Length
3.2 to 3.5 cm (1.3 to 1.4 in)
Top speed
about 3.2 km/h (2 mph)
On foot, estimate
Can it hurt you?
Harmless
It does not bite or sting. It is just not nice to have in the kitchen, so wash your hands if you touch one.
What does it eat?
It eats almost anything: rotting plants, ripe fruit, paper, pet food and even pet poo.
For real!Photo of Smoky brown cockroach
Picture by Toby Hudson. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Smoky brown cockroach about 3.5 cm long (1.4 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 6 grains of rice in a rowcould run across a dinner table in 1.1 secondsmoves 25 times its own body length every second

How big is Smoky brown cockroach compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It dries out twice as fast as the American cockroach, so it needs damp places to live.

2

It does not like the cold. In chilly weather it may move inside houses to stay warm.

3

It lays its eggs in a hard brown case about as long as a fingernail.

4

A female can sometimes have babies even without a male.

5

It mostly lives around the outside walls of buildings.

you asked

Most asked questions about Smoky brown cockroach

?Can smoky brown cockroaches fly?

Yes, it has wings and is a good flier.

?Where do smoky brown cockroaches live?

Outside around buildings in warm, damp places, but it may come inside to find food or stay warm.

?How big is a smoky brown cockroach?

About 3 to 3.5 centimetres long.

For bug experts

Scientific name
Periplaneta fuliginosa
Group
Cockroaches and termites
Family
Blattidae
Classification
Insecta > Blattodea > Blattidae
Lives on
North America, South America, Asia, Australia and Oceania, Europe
Also known as
Smokybrown cockroach

Where the facts come from

  1. Smokybrown cockroach (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 Toby Hudson. 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: Cockroaches and termites

Also at home here: Houses and farms