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Sticker of Western wood cockroach
Bug card No. 4707 of 4,939

Western wood cockroach

Parcoblatta americana

The western wood cockroach is a wild cockroach that lives outdoors. The male has long wings and can fly, but the female has only tiny wing pads. It comes out at night to look for food.

Lives in
Mexico and the western United States, under rocks, in rotting wood and in grassland and woods
Top speed
about 3 km/h (1.9 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It lives outside and does not bite people.
What does it eat?
It eats bits of dead plants and leftovers it finds on the ground. It has even been seen nibbling an apple.
For real!Photo of Western wood cockroach
Picture by Junkyardsparkle. CC0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Some of them hide in harvester ant nests during the day and come out at night to eat the ants' rubbish pile.

2

The males are attracted to lights at night.

3

The males and females live apart: the females and babies stay on the ground, and the males sit on bushes at night.

4

Its colour changes a lot, from almost black to pale yellowish, maybe because of how dry its home is.

you asked

Most asked questions about Western wood cockroach

?Does the western wood cockroach live in houses?

Not usually. It lives outdoors under rocks and in rotting wood, but it has been found in a house once in a while.

?Can the western wood cockroach fly?

The male can fly. The female has no back wings and cannot fly.

For bug experts

Scientific name
Parcoblatta americana
Group
Cockroaches and termites
Family
Ectobiidae
Classification
Insecta > Blattodea > Ectobiidae
Lives on
North America

Where the facts come from

  1. Parcoblatta americana (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 Junkyardsparkle. CC0, 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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