Bug Wiki
Sticker of Pennsylvania dingy ground beetle
Bug card No. 3296 of 4,939

Pennsylvania dingy ground beetle

Harpalus pensylvanicus
Eats: PlantsBeetlesGardens and meadows6 legs

The Pennsylvania dingy ground beetle is shiny black on top and reddish brown underneath. Its wing covers have fine lines running along them. It is a helpful beetle for farmers, because it eats the seeds of weeds.

Lives in
All over North America, in fields and meadows
Top speed
about 1.2 km/h (0.75 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It does not sting, but it can squirt a smelly liquid to defend itself, so it is best not to grab it.
What does it eat?
It eats seeds of ragweed, grasses and other weeds, and it likes small seeds best.
For real!Photo of Pennsylvania dingy ground beetle
Picture by Ilona L from Wisconsin -- USA. CC BY-SA 2.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

It can smell seeds that are starting to sprout, because sprouting seeds give off gases.

2

It likes seeds that have soaked up water better than dry ones.

3

It sometimes nibbles ripe strawberries, probably to get a drink.

4

At night it is attracted to lights.

5

Its larva is black with a reddish head and two long tails at the back.

you asked

Most asked questions about Pennsylvania dingy ground beetle

?What does the Pennsylvania ground beetle eat?

Mostly the seeds of weeds and grasses. That makes it a friend of farmers.

?Is the Pennsylvania dingy ground beetle harmful?

No. It can only squirt a smelly liquid if bothered.

For bug experts

Scientific name
Harpalus pensylvanicus
Named by
De Geer, 1774
Group
Beetles
Family
Carabidae
Classification
Insecta > Coleoptera > Carabidae
Lives on
North America
Also known as
Pennsylvania ground beetle

Where the facts come from

  1. Harpalus pensylvanicus (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 Ilona L from Wisconsin -- USA. CC BY-SA 2.0, 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.

Bug Wiki honey jar For grown-ups: Bug Wiki is free, with no ads and no tracking. A small tip helps keep it online.Leave a tip

More from the same group: Beetles

Also at home here: Gardens and meadows

Honey jarfor grown-ups