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Sticker of Pacific tent caterpillar
Bug card No. 3204 of 4,939

Pacific tent caterpillar

Malacosoma constricta
Eats: PlantsMothsForests and woods6 legs

The Pacific tent caterpillar is a moth from the west coast of North America. Its caterpillars live together on oak trees and spin small silk tents. They are hairy, with orange hair on top and a dark blue head.

Lives in
California, Oregon and Washington, in oak woods
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. When there are very many caterpillars they can be a nuisance, but they do not hurt people.
What does it eat?
Its caterpillars eat oak leaves, and they can strip whole branches bare.
For real!Photo of Pacific tent caterpillar
Picture by Eugene Zelenko. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its caterpillars eat outside their tent and only go in when they change their skin.

2

Their silk tents can be up to 10 cm wide.

3

The mother lays golden yellow eggs in clumps along sticks.

4

Even when there are lots of them, they usually do not badly hurt the oak trees.

you asked

Most asked questions about Pacific tent caterpillar

?What does the Pacific tent caterpillar eat?

It eats oak leaves.

?Is the Pacific tent caterpillar harmful?

Not really. It can be a nuisance when there are many, but it does not usually hurt the oaks badly.

For bug experts

Scientific name
Malacosoma constricta
Group
Moths
Family
Lasiocampidae
Classification
Insecta > Lepidoptera > Lasiocampidae
Lives on
North America

Where the facts come from

  1. Malacosoma constricta (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 Eugene Zelenko. 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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More from the same group: Moths

Also at home here: Forests and woods

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