Definition

1. Noun:
   • A species of moth (scientific name Hyphantria cunea): A type of insect belonging to the order Lepidoptera. The adult moth is typically white, sometimes with dark spots.
   • The larval form of this moth species: The caterpillars of this moth are known for constructing large, silken webs on the branches of trees and shrubs, within which they feed communally.

Usage Notes

• Scientific vs. Common Name: "Hyphantria cunea" is the formal, scientific (Latin) name for the species. In common language, the adult is most often called the fall webworm moth, and the caterpillar is called the fall webworm.
• Context: The term is primarily used in scientific, entomological, or agricultural contexts. In everyday conversation, people are more likely to refer to the "fall webworm" (the damaging larval stage) than to the moth by its scientific name.

Examples

• Noun (referring to the moth):
  • The researcher studied the life cycle of Hyphantria cunea.
  • A white Hyphantria cunea was attracted to the light trap.
• Noun (referring to the caterpillar):
  • The tree is infested with Hyphantria cunea larvae.
  • The unsightly nests in the cherry tree are made by Hyphantria cunea.

Advanced Usage

• Taxonomic Classification: The name is used to precisely identify the species within the family Erebidae, subfamily Arctiinae. It avoids confusion with other web-forming pests, such as the tent caterpillar.
• In Pest Management: The term appears in academic papers and extension service documents detailing the biology and control of this widespread pest.

Variants and Related Words

• Fall webworm (n): The common name for the larval (caterpillar) stage of .
• Fall webworm moth (n): The common name for the adult moth stage.
• Webworm (n): A general term for various caterpillar species that spin silken webs on plants.

Synonyms

• Fall webworm (for the larval stage)
• Fall webworm moth (for the adult stage)

Related Phrases

• Webworm infestation: A situation where many larvae are present on a host plant.
  • The park is managing a severe webworm infestation in its hardwood trees.

Noun

1. moth whose larvae are fall webworms
2. a variety of webworm