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Sticker of Harris's three-spot
Bug card No. 2189 of 4,939

Harris's three-spot

Harrisimemna trisignata
Eats: PlantsMothsForests and woods6 legs

Harris's three-spot is a moth from North America. It belongs to the owlet moths, a big family of moths that mostly fly at night. Its caterpillars munch the leaves of many bushes and trees, even apple trees.

Lives in
North America, from Canada down to Arizona, Texas and Georgia
Wingspan
3 to 3.6 cm (1.2 to 1.4 in)
Top speed
about 13 km/h (8.1 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
Its caterpillars eat the leaves of woody plants like willow, ash, honeysuckle, winterberry and apple.
For real!Photo of Harris's three-spot
Picture by Mothman27. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Harris's three-spot wings about 3.6 cm tip to tip (1.4 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 6 grains of rice in a rowcould fly across a whole football pitch in 29 seconds

How big is Harris's three-spot compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

In Canada the moths fly from May to August.

2

Its caterpillars are not picky. They can eat many kinds of bushes and trees, including apple trees.

3

It was first described by the English insect expert Francis Walker in 1856.

you asked

Most asked questions about Harris's three-spot

?What does Harris's three-spot eat?

Its caterpillars eat the leaves of bushes and trees like willow, ash and apple.

?How big is Harris's three-spot?

Its wings measure about 30 to 36 millimetres from tip to tip.

For bug experts

Scientific name
Harrisimemna trisignata
Named by
Walker, 1856
Group
Moths
Family
Noctuidae
Classification
Insecta > Lepidoptera > Noctuidae
Lives on
North America

Where the facts come from

  1. Harrisimemna trisignata (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 Mothman27. 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.

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More from the same group: Moths

Also at home here: Forests and woods

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