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Sticker of Meal moth
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Meal moth

Pyralis farinalis
Name means: “farinalis means of the flour”
Eats: PlantsMothsHouses and farms6 legs

The meal moth is a small, rather colourful moth that likes to live near people. When it rests, it bends the end of its body straight up in the air. Its caterpillars live in flour, grain and cereals in barns and storerooms.

Lives in
Almost all over the world, in barns, grain stores and warehouses
Wingspan
1.8 to 3 cm (0.71 to 1.2 in)
Top speed
about 12 km/h (7.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting, it just spoils stored grain.
What does it eat?
Its caterpillars eat grain and flour, and every part of the grain plant: the seeds, the husks and even the straw. They also eat potatoes.
For real!Photo of Meal moth
Picture by Ben Sale from Stevenage, UK. CC BY 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Meal 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 Meal moth compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

Its caterpillars build tunnels out of silk and flour dust and peek out of the openings to eat.

2

It grows from egg to grown-up in about eight weeks, so there can be four families in one year.

3

One mother moth can lay about 235 eggs.

4

In China, this moth is the main ingredient of a drink called insect tea.

5

It has also been found living in old plant bits in almond orchards and even in chicken poo.

you asked

Most asked questions about Meal moth

?What does the meal moth eat?

Its caterpillars eat grain, flour, cereals and even potatoes.

?How big is the meal moth?

Its wings are 18 to 30 millimetres across.

?Where do meal moths live?

Mostly in barns, grain stores and warehouses, almost everywhere in the world.

For bug experts

Scientific name
Pyralis farinalis
Group
Moths
Family
Pyralidae
Classification
Insecta > Lepidoptera > Pyralidae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania

Where the facts come from

  1. Pyralis farinalis (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 Ben Sale from Stevenage, UK. CC BY 2.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Moths

Also at home here: Houses and farms