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Sticker of Flame-shouldered blister beetle
Bug card No. 1686 of 4,939

Flame-shouldered blister beetle

Sitaris muralis

The flame-shouldered blister beetle is a black beetle with orange patches at the front of its wing covers, like little flames on its shoulders. It lives near the nests of digger bees. Its babies sneak into the bee nests by hitching a ride on the bees.

Lives in
Western Europe, near old sunny walls and steep earth banks
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Better not touch
Blister beetles can make a sore blister on skin if you squeeze them. Just watch it and do not pick it up.
What does it eat?
Its babies live in digger bee nests. They eat a bee egg first and then the bee's stored honey.
For real!Photo of Flame-shouldered blister beetle
Picture by Tobias 67. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

A mother beetle lays two thousand eggs or more near a digger bee nest in September.

2

The tiny babies rest all winter. In May they climb onto a male bee and hold on to its hairs.

3

When the male bee meets a female bee, the beetle babies climb over to her and ride along to her nest.

4

In the nest, a beetle baby jumps onto a bee egg that floats on honey like a raft. It eats the egg first, then the honey.

5

In Britain it is very rare and only found in southern England.

you asked

Most asked questions about Flame-shouldered blister beetle

?What does the flame-shouldered blister beetle eat?

Its babies eat a digger bee's egg and then the honey the bee stored for its own baby.

?Where does the flame-shouldered blister beetle live?

In western Europe, near digger bee nests in old sunny walls and steep earth banks.

For bug experts

Scientific name
Sitaris muralis
Group
Beetles
Family
Meloidae
Classification
Insecta > Coleoptera > Meloidae
Lives on
Europe

Where the facts come from

  1. Sitaris muralis (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 Tobias 67. CC BY-SA 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.

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