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Sticker of Stream bluet
Bug card No. 4188 of 4,939

Stream bluet

Enallagma exsulans

The stream bluet is a slim damselfly from North America. Most bluets like ponds and lakes, but this one loves rivers with moving water. Both males and females have a blue tip at the end of their tail.

Lives in
The eastern and central United States and southern Canada, along rivers
Length
2.9 to 3.7 cm (1.1 to 1.5 in)
Top speed
about 10 km/h (6.2 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Damselflies do not sting.
What does it eat?
It catches tiny flying insects. Its young live in the river and hunt small water animals.
For real!Photo of Stream bluet
Picture by Gaberlunzi (Richard Murphy). CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Stream bluet about 3.7 cm long (1.5 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 6 grains of rice in a rowcould fly across a whole football pitch in 38 secondsmoves 75 times its own body length every second

How big is Stream bluet compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

In most damselflies only the male has a blue tail tip, but in the stream bluet the female has one too.

2

Summer is the best time to look for it.

3

It looks a lot like another damselfly, the turquoise bluet.

you asked

Most asked questions about Stream bluet

?Where does the stream bluet live?

Along small and medium rivers in the United States and southern Canada.

?How big is the stream bluet?

It is about 29 to 37 millimetres long.

For bug experts

Scientific name
Enallagma exsulans
Group
Dragonflies and damselflies
Family
Coenagrionidae
Classification
Insecta > Odonata > Coenagrionidae
Lives on
North America

Where the facts come from

  1. Stream bluet (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 Gaberlunzi (Richard Murphy). 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: Dragonflies and damselflies

Also at home here: Ponds, rivers and shores

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