Bug Wiki
Sticker of Pennsylvania wood cockroach
Bug card No. 1041 of 1,500

Pennsylvania wood cockroach

Parcoblatta pennsylvanica

The Pennsylvania wood cockroach lives outdoors in the woods, under loose bark and in old stumps. The males are dark brown with yellow edges and long wings, while the females have only tiny wings. It sometimes wanders into houses by mistake.

Lives in
Eastern and central North America, in woods and woodpiles
Top speed
about 3 km/h (1.9 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting and rarely stays indoors for long.
What does it eat?
It mostly eats rotting leaves, wood and other dead plant bits it finds in the forest.
For real!Photo of Pennsylvania wood cockroach
Picture by Happy1892. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It often hitches a ride into houses hidden in firewood.

2

Males fly to lights at night, which is how they sometimes get inside.

3

Its eggs come in a little curved case shaped like a half moon, with up to 32 eggs inside.

4

The young can take up to 2 years to grow up.

5

Unlike pest cockroaches, it almost never breeds inside homes.

you asked

Most asked questions about Pennsylvania wood cockroach

?Is the Pennsylvania wood cockroach dangerous?

No. It is harmless and usually lives outside in the woods.

?Why is there a wood cockroach in my house?

It probably came in with firewood or flew toward the lights. It will not usually stay or breed indoors.

?What does a wood cockroach eat?

Rotting plant material like dead leaves and wood.

For bug experts

Scientific name
Parcoblatta pennsylvanica
Group
Cockroaches and termites
Family
Ectobiidae
Classification
Insecta > Blattodea > Ectobiidae
Lives on
North America
Also known as
Pennsylvanian cockroach

Where the facts come from

  1. Pennsylvania wood 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 Happy1892. CC BY-SA 4.0, 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: Forests and woods