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Sticker of Small fan-footed wave
Bug card No. 3920 of 4,939

Small fan-footed wave

Idaea biselata
Eats: PlantsMothsGardens and meadows6 legs

The small fan-footed wave is a little creamy white moth with thin brown wavy bands. It is so small and pale that it is easy to miss. Each wing has a tiny black dot, like a full stop.

Lives in
Europe and across Asia to Siberia and Korea, in many green places
Wingspan
2.2 to 2.5 cm (0.87 to 0.98 in)
Top speed
about 11 km/h (6.8 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
The caterpillar eats many plants, like dandelion, oak, plantain and brambles.
For real!Photo of Small fan-footed wave
Picture by No machine-readable author provided. Svdmolen assumed (based on copyright claims).. CC BY 2.5, via Wikimedia Commons.

How big is it?

How wide are its wings?

Small fan-footed wave wings about 2.5 cm tip to tip (0.98 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
wings as wide as 4 grains of rice in a rowcould fly across a whole football pitch in 34 seconds

How big is Small fan-footed wave compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It mostly flies at night and likes to come to lamps, but sometimes it flutters a short way by day.

2

The caterpillar spends the winter as a caterpillar and only turns into a moth the next year.

3

In the Alps it lives as high as about 1,700 metres up the mountains.

4

The caterpillar is long and thin, brownish grey with a white stripe on each side.

you asked

Most asked questions about Small fan-footed wave

?When can I see the small fan-footed wave?

The moths fly from June to August, mostly at night.

?What does its caterpillar eat?

Many different plants, such as dandelion, oak, plantain and brambles.

For bug experts

Scientific name
Idaea biselata
Named by
Hufnagel, 1767
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
Europe, Asia

Where the facts come from

  1. Small fan-footed wave (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 No machine-readable author provided. Svdmolen assumed (based on copyright claims).. CC BY 2.5, 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: Gardens and meadows

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