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Sticker of Genista broom moth
Bug card No. 1814 of 4,939

Genista broom moth

Uresiphita reversalis
Eats: PlantsMothsGardens and meadows6 legs

The genista broom moth is a small moth. Both the moth and its caterpillar wear bright warning colours that tell hungry animals they taste bad. Its caterpillars feed on broom, lupine and other plants.

Lives in
First from Mexico, now across the United States and on Caribbean islands
Wingspan
2.7 to 3.4 cm (1.1 to 1.3 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?
The caterpillar eats the leaves of plants like broom, lupine, acacia and honeysuckle.
For real!Photo of Genista broom moth
Picture by xpda. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Genista broom moth wings about 3.4 cm tip to tip (1.3 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 Genista broom moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It probably came from Mexico and reached Los Angeles by 1930.

2

By 1980 it had reached the San Francisco Bay Area, and now it lives all across the United States.

3

In the warm south the moths fly all year round.

you asked

Most asked questions about Genista broom moth

?What does the genista broom moth caterpillar eat?

Broom, lupine, acacia, honeysuckle and several other plants.

?Why is the genista broom moth so brightly coloured?

Its bright colours warn other animals that it is not good to eat.

For bug experts

Scientific name
Uresiphita reversalis
Named by
GuenΓ©e, 1854
Group
Moths
Family
Crambidae
Classification
Insecta > Lepidoptera > Crambidae
Lives on
North America
Also known as
Sophora worm

Where the facts come from

  1. Uresiphita reversalis (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 xpda. 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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