Bug Wiki
Sticker of Great oak beauty
Bug card No. 2023 of 4,939

Great oak beauty

Hypomecis roboraria
Eats: PlantsMothsForests and woods6 legs

The great oak beauty is a moth with wavy dark lines across its wings. It lives in oak woods. Its caterpillar is a master of disguise and looks just like a dead oak twig.

Lives in
Europe and across Asia to Siberia, Mongolia and northern China, in oak woods
Wingspan
4 to 5 cm (1.6 to 2 in)
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
Its caterpillars eat oak leaves.
For real!Photo of Great oak beauty
Picture by Wilhelm Zimmerling PAR. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Great oak beauty wings about 5 cm tip to tip (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 1.5 toy building brickscould fly across a whole football pitch in 24 seconds

How big is Great oak beauty compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

The male has feathery feelers, while the female's feelers are thin like threads.

2

Its caterpillar is brown and knobbly, with no hairs.

3

The moths fly from May to August.

4

It lives from Europe all the way across Siberia and Mongolia to northern China.

you asked

Most asked questions about Great oak beauty

?What does the great oak beauty eat?

Its caterpillars eat oak leaves.

?How big is the great oak beauty?

Its wings measure 40 to 50 millimetres from tip to tip.

For bug experts

Scientific name
Hypomecis roboraria
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
Europe, Asia

Where the facts come from

  1. Hypomecis roboraria (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 Wilhelm Zimmerling PAR. CC BY-SA 4.0, 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: Moths

Also at home here: Forests and woods

Honey jarfor grown-ups