Why Is a Baby Moth Called a Caterpillar?

Q: What is a baby moth called?

A baby moth is called a caterpillar. Moth caterpillars spin silk cocoons to pupate

Q: What other animals are called caterpillars?

Yes! 2 animals share the baby name "Caterpillar": butterfly, moth.

The story behind the baby animal name “Caterpillar” — its origin, meaning, and history.

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Baby Animal Names Editorial Team

·Updated 2025

Quick Answer

A baby moth is called a caterpillar. The name "Caterpillar" has been used for baby moths for centuries.

The Origin of “Caterpillar”

The baby animal name “Caterpillar” for moths has deep roots in the English language. Like many baby animal names, it evolved from practical usage — people who worked closely with animals needed specific terms to describe their young.

Baby animal names often come from Old English, Latin, French, or indigenous languages. They reflect how humans have interacted with and categorized animals throughout history.

Other Animals Called “Caterpillar”

“Caterpillar” isn't unique to moths.2 animals share this baby name:

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Butterfly → Caterpillar

Insects

See all animals called “Caterpillar” →

Fun Facts About Baby Moths

•Moth caterpillars spin silk cocoons to pupate
•Some moth caterpillars can eat through clothing
•Luna moth caterpillars are bright green
•Caterpillars can eat 86,000x their body weight

Did You Know?

Moth caterpillars can eat 86,000 times their own body weight before becoming adults!

How to Pronounce “Caterpillar”