Definition

Noun: 1. The larva of various moth species: A "woolly bear caterpillar" is the larval stage of several types of moths, most notably those in the family Arctiidae. It is characterized by having a dense, furry, or bristly coat of hairs that resembles wool. 2. A plant-feeding insect: These caterpillars feed on the leaves and other parts of various plants. While many are harmless, some species are considered destructive agricultural or garden pests due to their feeding habits.

Usage Examples

• General Reference:
  • The children found a fuzzy woolly bear caterpillar crawling across the path.
  • According to folklore, the width of the brown band on a woolly bear caterpillar is said to predict the severity of the coming winter.
• In a Scientific or Gardening Context:
  • Some woolly bear caterpillars can defoliate entire plants if their population is large enough.
  • The woolly bear caterpillar will eventually spin a cocoon and emerge as a tiger moth.

Advanced Usage

• As a collective term: The term is often used generically for any densely hairy caterpillar, though it most accurately refers to specific genera.
• In cultural context: The most famous "woolly bear" is the larva of the Isabella tiger moth (), which is the subject of the common winter-prediction folklore.

Variants and Related Words

• Woolly bear (noun): A common shortened form of "woolly bear caterpillar."
• Woolly worm (noun): A regional synonym, especially in the United States.
• Tiger moth caterpillar (noun): A more specific term, as many woolly bears become tiger moths.

Synonyms

• Furry caterpillar
• Hairy caterpillar

Notes on Different Meanings

• The term refers specifically to the larval stage of an insect and not to the adult moth.
• While "woolly" suggests softness, the hairs (setae) of some species can be irritating to human skin, so it is often advised not to handle them.

Noun

1. caterpillar of numerous moths characterized by a dense coat of woolly hairs; feed on plants and some are destructive pests