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Sticker of Dragonhunter
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Dragonhunter

Hagenius brevistylus
Name means: “brevistylus means short style, after its stubby tail end, and Hagenius honours the insect scientist Hermann Hagen”

The dragonhunter is a big black and yellow dragonfly with green eyes. It is so strong that it hunts other dragonflies. It is the largest clubtail dragonfly in North America.

Lives in
Eastern United States and southeastern Canada, along streams
Length
8.4 cm (3.3 in)
Top speed
about 47 km/h (29 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless to people. It is only dangerous if you are another dragonfly.
What does it eat?
It catches big insects in the air, including other dragonflies and even monarch butterflies.
For real!Photo of Dragonhunter
Picture by Raphael Carter. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Dragonhunter about 8.4 cm long (3.3 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 2.5 toy building bricks in a rowcould fly across a whole football pitch in 8 secondsmoves 160 times its own body length every second

How big is Dragonhunter compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

It sometimes swoops down on other dragonflies from above, like a surprise attack.

2

Monarch butterflies are poisonous, but the dragonhunter eats them in a clever order to avoid most of the poison.

3

Its baby, the nymph, has a very flat, wide body and hides in leaves at the edge of streams.

4

A flying male often curls its tail under its body into the shape of a sideways letter J.

5

It is the only member of its genus. Its closest cousins live far away in Asia.

you asked

Most asked questions about Dragonhunter

?What does a dragonhunter eat?

Big flying insects, including other dragonflies and monarch butterflies.

?How big is a dragonhunter?

About 84 millimetres long, bigger than any other clubtail in North America.

?Is the dragonhunter dangerous?

No, it is harmless to people.

For bug experts

Scientific name
Hagenius brevistylus
Group
Dragonflies and damselflies
Family
Gomphidae
Classification
Insecta > Odonata > Gomphidae
Lives on
North America

Where the facts come from

  1. Dragonhunter (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 Raphael Carter. CC BY-SA 3.0, 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 [email protected] and we will fix it.

More from the same group: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores