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Sticker of Margined carrion beetle
Bug card No. 2764 of 4,939

Margined carrion beetle

Oiceoptoma noveboracense

The margined carrion beetle is a flat dark beetle with a bright orange red edge around the shield behind its head. It is one of nature's cleaners. It comes to dead animals in the forest and helps to clear them away.

Lives in
Northeastern United States west to the Rocky Mountains, mostly in leafy forests
Length
1.3 to 1.5 cm (0.51 to 0.59 in)
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Harmless
It does not bite people. It lives on dead animals, so do not pick it up, and wash your hands if you touch one.
What does it eat?
The grown-ups mostly eat fly maggots that they find on dead animals. Their babies eat the dead animal itself.
For real!Photo of Margined carrion beetle
Picture by Mehermance ( talk ) ( Uploads ). Public domain, via Wikimedia Commons.

How big is it?

How long is it?

Margined carrion beetle about 1.5 cm long (0.59 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 2.5 grains of rice in a rowcould run across a dinner table in 7.2 seconds

How big is Margined carrion beetle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its scientific name noveboracense means from New York, where the first one was found.

2

Its babies are flat and look a bit like tiny trilobites, the sea animals of long ago.

3

Police scientists use it to help work out how long ago an animal or person died.

4

It is active in the daytime, from spring to autumn.

5

From mating to a brand new grown-up beetle takes about 45 days.

you asked

Most asked questions about Margined carrion beetle

?Why is it called the margined carrion beetle?

Because the shield behind its head has a bright orange red edge, or margin, and it lives on carrion, which means dead animals.

?What does the margined carrion beetle eat?

Grown-ups mostly eat fly maggots on dead animals, and the babies eat the dead animal.

?Is the margined carrion beetle dangerous?

No, it does not bite. Its belly can carry germs from dead animals, so it is best not to handle it.

For bug experts

Scientific name
Oiceoptoma noveboracense
Group
Beetles
Family
Silphidae
Classification
Insecta > Coleoptera > Silphidae
Lives on
North America

Where the facts come from

  1. Oiceoptoma noveboracense (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 Mehermance ( talk ) ( Uploads ). Public domain, 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: Beetles

Also at home here: Forests and woods

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