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Sticker of Yellow-spotted webworm moth
Bug card No. 4919 of 4,939

Yellow-spotted webworm moth

Anageshna primordialis
Eats: PlantsMothsGardens and meadows6 legs

The yellow-spotted webworm moth is a very small moth from the United States. It is a bit of a mystery, because nobody knows yet what its caterpillars eat. It is also the only kind in its group.

Lives in
Many states of the eastern and southern United States, from Maine to Florida and west to Arizona
Wingspan
1.1 cm (0.43 in)
Top speed
about 7.3 km/h (4.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a tiny moth that cannot bite or sting.
What does it eat?
Nobody knows yet which plants its caterpillars eat.
For real!Photo of Yellow-spotted webworm moth
Picture by Mike Boone. CC BY-SA 2.5, via Wikimedia Commons.

How big is it?

How wide are its wings?

Yellow-spotted webworm moth wings about 1.1 cm tip to tip (0.43 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
could fly across a whole football pitch in 52 seconds

How big is Yellow-spotted webworm moth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its wings are only about 11 millimetres from tip to tip, about the width of your fingernail.

2

It flies late in the year, from August to November.

3

It is the only species in its genus, so it has no close brothers and sisters.

you asked

Most asked questions about Yellow-spotted webworm moth

?How big is the yellow-spotted webworm moth?

Tiny. Its wings are about 11 millimetres across.

?When does the yellow-spotted webworm moth fly?

From August to November.

For bug experts

Scientific name
Anageshna primordialis
Named by
Dyar, 1907
Group
Moths
Family
Crambidae
Classification
Insecta > Lepidoptera > Crambidae
Lives on
North America
Also known as
Yellow-spotted webworm

Where the facts come from

  1. Anageshna (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 Mike Boone. CC BY-SA 2.5, 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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