Bug Wiki
Sticker of Large pincertail
Bug card No. 2524 of 4,939

Large pincertail

Onychogomphus uncatus

The large pincertail is a black and yellow dragonfly with bright blue eyes. Its eyes sit far apart on its head, and they are never green. It lives near rivers and lakes in western Europe.

Lives in
Western Europe, from Belgium and Germany to Spain and Italy, near rivers and lakes
Length
6.5 cm (2.6 in)
Top speed
about 42 km/h (26 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Dragonflies have no sting, so just watch it fly.
What does it eat?
It catches small flying insects. Its babies live under water and hunt tiny water animals.
For real!Photo of Large pincertail
Picture by Hectonichus ]]. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Large pincertail about 6.5 cm long (2.6 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 2 toy building bricks in a rowcould fly across a whole football pitch in 9 secondsmoves 180 times its own body length every second

How big is Large pincertail compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

It is bigger and rarer than its cousin, the small pincertail, and the two look very alike.

2

Its whole life takes about three years, and most of that time it lives under water as a baby.

3

You can see the grown-ups flying from the middle of April to the end of August.

4

The little claspers at the end of its tail are always yellow.

you asked

Most asked questions about Large pincertail

?Is the large pincertail dangerous?

No. Dragonflies cannot sting and it does not hurt people.

?How big is the large pincertail?

It grows up to about 6.5 centimetres long.

For bug experts

Scientific name
Onychogomphus uncatus
Named by
Charpentier, 1840
Group
Dragonflies and damselflies
Family
Gomphidae
Classification
Insecta > Odonata > Gomphidae
Lives on
Europe
Also known as
Blue-eyed hook-tailed dragonfly

Where the facts come from

  1. Onychogomphus uncatus (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 Hectonichus ]]. 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.

Bug Wiki honey jar For grown-ups: Bug Wiki is free, with no ads and no tracking. A small tip helps keep it online.Leave a tip

More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores

Honey jarfor grown-ups