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Sticker of Hen flea
Bug card No. 2222 of 4,939

Hen flea

Echidnophaga gallinacea
Eats: BloodOther insectsHouses and farms6 legs

The hen flea is a tiny dark brown flea that lives on chickens and other animals. It is only about 2 millimetres long, half the size of a cat flea. Once a female bites in, she stays stuck in the same spot for the rest of her life.

Lives in
Warm parts of many continents, from North America to Australia, on farms and pets
Length
2 mm (0.08 in)
Top speed
about 0.45 km/h (0.28 mph)
On foot, estimate
Can it hurt you?
Can bite
It can bite people and pets, and the bites itch and swell. If you find a flea stuck on your skin or on a pet, tell a grown-up.
What does it eat?
It drinks blood from chickens, dogs, wild birds and sometimes people.
For real!Photo of Hen flea
Picture by Erik Streb. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Hen flea about 2 mm long (0.08 in)A grain of rice about 6 mm (0.24 in)
3 of them in a row are as long as one grain of ricecould run across a dinner table in 8 secondsmoves 62 times its own body length every second

How big is Hen flea compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

It has no wings, but its strong back legs can throw it up to 23 times its own body length.

2

Its legs have backward-pointing spines, so it does not fall off even when an animal scratches.

3

On chickens it likes to sit on bare skin near the eyes, the comb and the wattle.

4

The males keep walking around, but the females stay in one place.

5

It has one of the shortest lives of all fleas.

you asked

Most asked questions about Hen flea

?Can hen fleas live on people?

Sometimes they bite people, but they mostly live on chickens and other animals.

?How big is a hen flea?

It is about 2 millimetres long, half the size of a cat flea.

?Why is it called the sticktight flea?

Because the female bites into the skin and stays stuck there for the rest of her life.

For bug experts

Scientific name
Echidnophaga gallinacea
Group
Other insects
Family
Pulicidae
Classification
Insecta > Siphonaptera > Pulicidae
Lives on
North America, South America, Africa, Asia, Australia and Oceania
Also known as
Sticktight flea

Where the facts come from

  1. Echidnophaga gallinacea (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 Erik Streb. CC BY-SA 3.0, 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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More from the same group: Other insects

Also at home here: Houses and farms

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