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Sticker of American idia moth
Bug card No. 0084 of 4,939

American idia moth

Idia americalis

The American idia is a small grey or brown moth with wavy dark lines across its wings. It comes out at night and likes sweet treats and lamps. Its caterpillar is brown with dark spots and little white hairs on its sides.

Lives in
North America, from southern Canada to Florida and Texas, in damp forests
Wingspan
2 to 3 cm (0.79 to 1.2 in)
Top speed
about 12 km/h (7.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Its caterpillars eat lichen and dead leaves, and some even live in ant nests eating leftovers. The adult moths also nibble lichen on tree trunks.
For real!Photo of American idia moth
Picture by NCBioTeacher. CC0, via Wikimedia Commons.

How big is it?

How wide are its wings?

American idia moth wings about 3 cm tip to tip (1.2 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 5 grains of rice in a rowcould fly across a whole football pitch in 32 seconds

How big is American idia moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Each front wing has a small bronze or brown spot near its edge.

2

Scientists who study moths catch it at night with sugary bait or bright lights.

3

It flies from May to October and can have two or more families of young in one year.

4

It helps tidy up the forest floor, because its caterpillars eat dead leaves.

you asked

Most asked questions about American idia moth

?What does the American idia moth eat?

Its caterpillars eat lichen and dead leaves. The adult moths also eat lichen on tree trunks.

?Is the American idia moth dangerous?

No. It is a small, harmless night moth.

For bug experts

Scientific name
Idia americalis
Named by
GuenΓ©e, 1854
Group
Moths
Family
Erebidae
Classification
Insecta > Lepidoptera > Erebidae
Lives on
North America
Also known as
American idia, American snout

Where the facts come from

  1. Idia americalis (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 NCBioTeacher. 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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