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Sticker of Grease moth
Bug card No. 2008 of 4,939

Grease moth

Aglossa cuprina
Name means: “greasy, from its other scientific name pinguinalis”
Eats: A bit of everythingMothsHouses and farms6 legs

The grease moth is a dark greyish-brown moth that likes to live near people. It hides in dark corners of barns, cellars and kitchens. Its pale yellow markings look a bit like the stripes of a tabby cat.

Lives in
Europe, Asia, Australia and the Americas, in and around houses and food stores
Wingspan
1.8 to 2.7 cm (0.71 to 1.1 in)
Top speed
about 12 km/h (7.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting, but its caterpillars can spoil stored flour and grain.
What does it eat?
Its caterpillars eat flour, oats, corn meal and other dry grain foods. Adults eat butter, fat and grease.
For real!Photo of Grease moth
Picture by Andy Reago & Chrissy McClarren. CC BY 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Grease moth wings about 2.7 cm tip to tip (1.1 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 32 seconds

How big is Grease moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its caterpillars spin silk through the flour they live in, which ruins it.

2

The adults even nibble butter and other fats.

3

It hides in dark corners by day and flies at dusk.

4

It is drawn to light and to sugar.

you asked

Most asked questions about Grease moth

?Is the grease moth harmful?

It is harmless to people, but its caterpillars can spoil flour and grain in the pantry.

?What does the grease moth eat?

Caterpillars eat dry grain foods like flour, and adults eat butter, fat and grease.

For bug experts

Scientific name
Aglossa cuprina
Named by
Zeller, 1872
Group
Moths
Family
Pyralidae
Classification
Insecta > Lepidoptera > Pyralidae
Lives on
Europe, Asia, Australia and Oceania, North America, South America

Where the facts come from

  1. Aglossa cuprina (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 Andy Reago & Chrissy McClarren. CC BY 2.0, 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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