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Sticker of Maple spanworm moth
Bug card No. 2746 of 4,939

Maple spanworm moth

Ennomos magnaria
Eats: PlantsMothsForests and woods6 legs

The maple spanworm moth looks just like an autumn leaf, with orange yellow wings that have notched edges. It flies at night in late summer and autumn. During the day it may rest on the walls of buildings.

Lives in
Southern Canada and the northern USA from coast to coast, south to Florida and California
Wingspan
4.3 to 6 cm (1.7 to 2.4 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 leaves of maple, oak, birch, alder, ash, elm, hickory, lime and poplar trees.
For real!Photo of Maple spanworm moth
Picture by CBG Photography Group, Centre for Biodiversity Genomics. CC0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Maple spanworm moth wings about 6 cm tip to tip (2.4 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 Maple spanworm moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Looking like a dry leaf helps it hide from birds.

2

It flies from July until early November, later than most moths.

3

There is only one family of these moths each year.

you asked

Most asked questions about Maple spanworm moth

?What does the maple spanworm eat?

Its caterpillars eat leaves of maple, oak, birch and many other trees.

?How big is the maple spanworm moth?

Its wings measure about 4.5 to 6 centimetres from tip to tip.

For bug experts

Scientific name
Ennomos magnaria
Named by
GuenΓ©e, 1858
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
North America
Also known as
Notched wing moth, Notched-wing geometer, Notch-wing moth

Where the facts come from

  1. Ennomos magnaria (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 CBG Photography Group, Centre for Biodiversity Genomics. CC0, 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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