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Sticker of American oak beauty
Bug card No. 0088 of 4,939

American oak beauty

Phaeoura quernaria
Eats: PlantsMothsForests and woods6 legs

The American oak beauty is a moth from eastern North America. Its caterpillars are grey, brown or greenish, and they feed on the leaves of trees. It spends the winter tucked away as a pupa.

Lives in
Eastern North America, west as far as Alberta in Canada, in shrubby places with aspen and cherry
Wingspan
3.7 to 5.6 cm (1.5 to 2.2 in)
Top speed
about 17 km/h (11 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
Its caterpillars eat the leaves of trees like birch, willow, poplar and cherry.
For real!Photo of American oak beauty
Picture by Cyndy Sims Parr. CC BY-SA 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

American oak beauty wings about 5.6 cm tip to tip (2.2 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)
wings as wide as 2 toy building brickscould fly across a whole football pitch in 22 seconds

How big is American oak beauty compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its wings measure about 4 to 5.5 centimetres from tip to tip.

2

In the warm south the moths can fly from February to October, and there are two families each year.

3

You can find the caterpillars from June to October.

4

It spends the winter as a pupa and comes out as a moth when it gets warm again.

you asked

Most asked questions about American oak beauty

?What does the American oak beauty caterpillar eat?

Leaves of trees like birch, willow, poplar and cherry.

?Is the American oak beauty dangerous?

No. It is a harmless moth.

For bug experts

Scientific name
Phaeoura quernaria
Named by
Smith, 1797
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
North America
Also known as
Oak beauty

Where the facts come from

  1. Phaeoura quernaria (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 Cyndy Sims Parr. CC BY-SA 2.0, 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: Moths

Also at home here: Forests and woods

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