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Beautiful demoiselle

Calopteryx virgo

The beautiful demoiselle is a large damselfly that lives by cool, clear streams. The boy has a shiny blue-green body and dark, metallic blue wings. The girl is metallic green with see-through brown wings that have a little white spot near the tip.

Lives in
Europe, North Africa and western Asia, by clean, fast-flowing streams near woods
Length
4.9 to 5.4 cm (1.9 to 2.1 in)
Top speed
about 12 km/h (7.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It has no sting and does not hurt people.
What does it eat?
It catches small flying insects. Its babies live in the stream and hunt tiny water animals.
For real!Photo of Beautiful demoiselle
Picture by Charles J. Sharp. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Beautiful demoiselle about 5.4 cm long (2.1 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 9 grains of rice in a rowas long as 1.5 toy building bricks in a rowcould fly across a whole football pitch in 32 secondsmoves 62 times its own body length every second

How big is Beautiful demoiselle compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

A young boy has brown wings. They only turn shiny blue as he gets older.

2

A mother can lay up to 300 eggs on floating plants, and she often climbs right under the water to do it.

3

Its babies are thin like sticks, with long legs and strong claws to hold on to plants in the current.

4

The babies grow in the water for two whole years before they become damselflies.

5

It needs clean water with plenty of oxygen, so seeing one is a good sign that a stream is healthy.

you asked

Most asked questions about Beautiful demoiselle

?What is the difference between a damselfly and a dragonfly?

Damselflies like the beautiful demoiselle are usually slimmer, and their front and back wings look alike.

?Where can I see a beautiful demoiselle?

By cool, clean, fast-flowing streams, often near woods, in summer.

?How big is a beautiful demoiselle?

It is about 5 centimetres long.

For bug experts

Scientific name
Calopteryx virgo
Named by
Linnaeus, 1758
Group
Dragonflies and damselflies
Family
Calopterygidae
Classification
Insecta > Odonata > Calopterygidae
Lives on
Europe, Africa, Asia

Where the facts come from

  1. Beautiful demoiselle (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 round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores