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Sticker of White-marked tussock moth
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White-marked tussock moth

Orgyia leucostigma
Name means: “Orgyia means outstretched arms, because the resting moth stretches its front legs forward like arms”
Eats: PlantsMothsGardens and meadows6 legs

The white-marked tussock moth is famous for its wild-looking caterpillar. It has a bright red head, yellow stripes and four white tufts on its back that look like little toothbrushes. The grown-up male is a plain grey moth with a white spot on each front wing.

Lives in
Eastern North America, west to Texas, California and Alberta
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Can bite or sting
What does it eat?
The caterpillar eats the leaves of lots of different trees, like apple, birch, oak, spruce and willow. Young ones nibble only the top of the leaf, older ones eat all of it except the big veins.
For real!Photo of White-marked tussock moth
Picture by Andy Reago & Chrissy McClarren. CC BY 2.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

The female has only tiny wings and cannot fly. She stays on her cocoon and lays her eggs right there.

2

She lays up to 300 eggs at once and covers them in foam.

3

The caterpillar grows to about 3.5 centimetres long.

4

The caterpillar weaves its own hairs into its grey cocoon.

5

The four white tufts on the caterpillar's back may look like the cocoons of wasps, which might fool hungry enemies.

you asked

Most asked questions about White-marked tussock moth

?What does the white-marked tussock caterpillar turn into?

It turns into a moth. The male is grey with wavy black lines, and the female has hardly any wings.

?What does it eat?

The caterpillar eats leaves of many trees, both leafy trees and evergreens.

For bug experts

Scientific name
Orgyia leucostigma
Named by
Smith, 1797
Group
Moths
Family
Erebidae
Classification
Insecta > Lepidoptera > Erebidae
Lives on
North America

Where the facts come from

  1. Orgyia leucostigma (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 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 [email protected] and we will fix it.

More from the same group: Moths

Also at home here: Gardens and meadows