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Sticker of Eastern treehole mosquito
Bug card No. 1503 of 4,939

Eastern treehole mosquito

Aedes triseriatus
Eats: BloodFlies and mosquitoesForests and woods6 legs

The eastern treehole mosquito is a dark mosquito with a brown stripe down its back and silvery white sides. It gets its name because it likes to lay its eggs in little pools of rainwater inside holes in trees.

Lives in
Eastern United States and southern Canada, in leafy woods
Top speed
about 2 km/h (1.2 mph)
Flying, estimate
Can it hurt you?
Dangerous: look, do not touch
It can spread a virus called La Crosse, which can make children seriously ill. Look at it, do not touch it, and tell a grown-up if you get bitten. Emptying old water from buckets and toys helps keep it away.
What does it eat?
Only the females drink blood, which they need to make eggs.
For real!Photo of Eastern treehole mosquito
Picture by CDC/ James Gathany. Public domain, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Besides tree holes, it also lays its eggs in water that collects in old car tyres.

2

Its eggs hatch when rain fills up their pool. Not all of them hatch at once, in case the pool dries out again.

3

In the north only its eggs survive the winter.

4

In 2004 some of these mosquitoes hid in a ship full of tyres going from America to France, but people found them and stopped them.

you asked

Most asked questions about Eastern treehole mosquito

?Where does the eastern treehole mosquito lay its eggs?

In rainwater inside tree holes, and also in old tyres and other things that hold water.

?How can we keep these mosquitoes away?

Tip out water standing in buckets, toys and bottle caps, and cover water barrels.

For bug experts

Scientific name
Aedes triseriatus
Group
Flies and mosquitoes
Family
Culicidae
Classification
Insecta > Diptera > Culicidae
Lives on
North America

Where the facts come from

  1. Aedes triseriatus (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 CDC/ James Gathany. Public domain, 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: Flies and mosquitoes

Also at home here: Forests and woods

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