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Sticker of European mouse flea
Bug card No. 1595 of 4,939

European mouse flea

Leptopsylla segnis
Eats: BloodOther insectsHouses and farms6 legs

The European mouse flea is a tiny flea that lives in the fur of house mice. Like all fleas, it has no wings, but it can jump very well. It drinks blood from the mouse it lives on.

Lives in
Europe and many other parts of the world, wherever house mice live
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Can bite
It can bite to drink blood. It mostly lives on mice, but if you think you have fleas, tell a grown-up.
What does it eat?
It drinks the blood of house mice.
For real!Photo of European mouse flea
Picture by Herms, William Brodbeck (1876-1949). Public domain, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its favourite home is the house mouse.

2

If a mouse has very many of these fleas, it can lose so much blood that it gets weak and ill.

3

It has two rows of spines like little combs, one on its head and one behind it, which help it hold on in fur.

4

It was named in 1811 by a Swedish scientist called Carl Johan Schönherr.

you asked

Most asked questions about European mouse flea

?Does the European mouse flea bite people?

It mostly bites house mice. If you ever find fleas at home, tell a grown-up.

?Where does the European mouse flea live?

In the fur of house mice, in Europe and many other parts of the world.

For bug experts

Scientific name
Leptopsylla segnis
Named by
Schönherr, 1811
Group
Other insects
Family
Leptopsyllidae
Classification
Insecta > Siphonaptera > Leptopsyllidae
Lives on
Europe

Where the facts come from

  1. Leptopsylla (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 Herms, William Brodbeck (1876-1949). 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: Other insects

Also at home here: Houses and farms

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