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Sticker of Scarlet dragonfly
Bug card No. 3766 of 4,939

Scarlet dragonfly

Crocothemis erythraea

The scarlet dragonfly is bright red, like a flying strawberry. The male has a wide, flat, scarlet tummy and even red lines on the front edges of his wings. The female is yellow-brown with a pale stripe on her back. It loves sunny ponds and streams.

Lives in
Southern Europe, all of Africa and western Asia as far as southern China, near sunny ponds and streams
Length
3.3 to 4.4 cm (1.3 to 1.7 in)
Top speed
about 34 km/h (21 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Dragonflies do not sting people.
What does it eat?
Like all dragonflies, it catches small flying insects in the air. Its larva hunts little animals underwater.
For real!Photo of Scarlet dragonfly
Picture by Charles J. Sharp. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Scarlet dragonfly about 4.4 cm long (1.7 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
as long as 7 grains of rice in a rowcould fly across a whole football pitch in 11 secondsmoves 210 times its own body length every second

How big is Scarlet dragonfly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Only the grown-up males are bright red. Females and young ones are yellow-brown.

2

At the base of the male's back wings there are little amber patches, like drops of honey.

3

It likes open, sunny water and stays away from shady ponds and thick forests.

4

In Britain it is a very rare visitor. The first one was seen in Cornwall in 1995.

you asked

Most asked questions about Scarlet dragonfly

?Why is the scarlet dragonfly red?

Only the males are bright red, which helps them show off. The females are yellow-brown.

?Do scarlet dragonflies sting?

No. They are harmless to people.

?How big is a scarlet dragonfly?

It is about 3.5 to 4.5 centimetres long.

For bug experts

Scientific name
Crocothemis erythraea
Group
Dragonflies and damselflies
Family
Libellulidae
Classification
Insecta > Odonata > Libellulidae
Lives on
Europe, Africa, Asia
Also known as
Broad scarlet, Common scarlet-darter, Scarlet darter

Where the facts come from

  1. Scarlet dragonfly (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 Charles J. Sharp. 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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More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores

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