Bug Wiki
Sticker of Red-headed ground beetle
Bug card No. 3573 of 4,939

Red-headed ground beetle

Amphasia interstitialis
Eats: A bit of everythingBeetlesForests and woods6 legs

The red-headed ground beetle has dark wing cases and a bright orange head and neck shield. Its legs and feelers are pale orange too. It hides on the forest floor among fallen leaves.

Lives in
The northeastern United States and nearby parts of Canada, in leafy forests
Length
0.8 to 1 cm (0.33 to 0.4 in)
Top speed
about 0.9 km/h (0.56 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is a shy beetle that would rather hide under a stone.
What does it eat?
Not much has been written about its food. Ground beetles find their meals on the ground, among leaves, stones and logs.
For real!Photo of Red-headed ground beetle
Picture by Bernie Paquette. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Red-headed ground beetle about 1 cm long (0.4 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
as long as 1.5 grains of rice in a rowcould run across a dinner table in 4 secondsmoves 25 times its own body length every second

How big is Red-headed ground beetle compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

It is about 1 centimetre long, about as long as a pea is wide.

2

Its feelers have 11 parts each.

3

Under its body it is mostly orange too, with a darker belly.

4

You might find it under stones and logs, and also in wet lowland places.

you asked

Most asked questions about Red-headed ground beetle

?Where does the red-headed ground beetle live?

In North America, mostly in leafy forests in the northeastern United States, under leaves, stones and logs.

?How big is the red-headed ground beetle?

About 8.5 to 10 millimetres long, about 1 centimetre.

For bug experts

Scientific name
Amphasia interstitialis
Group
Beetles
Family
Carabidae
Classification
Insecta > Coleoptera > Carabidae
Lives on
North America

Where the facts come from

  1. Amphasia interstitialis (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 Bernie Paquette. 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.

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: Forests and woods

Honey jarfor grown-ups