Phrase guide

fall armyworm

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A fall armyworm moth (Spodoptera frugiperda), especially it larva stage, which is highly destructive of food crops and grasses.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

larva of a migratory American noctuid moth; destroys grasses and small grains

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Spodoptera frugiperda

Antonyms: none provided

Broader terms: caterpillar

History

Etymology

No etymology was provided for this word.

Across languages

Translations

14 source translations are retained for this English entry.

  • Chinese Mandarin: 草地貪夜蛾 /草地贪夜蛾 — larva of Spodoptera frugiperda
  • Chinese Mandarin: 秋行軍蟲 /秋行军虫 — larva of Spodoptera frugiperda
  • Chinese Mandarin: 秋粘虫 — larva of Spodoptera frugiperda
  • Chinese Mandarin: 草地夜蛾 — larva of Spodoptera frugiperda
  • Dutch: legerrups — larva of Spodoptera frugiperda
  • Dutch: legerworm — larva of Spodoptera frugiperda
  • French: légionnaire d'automne — larva of Spodoptera frugiperda
  • French: noctuelle américaine du maïs — larva of Spodoptera frugiperda
  • Russian: кукурузная лиственная совка (kukuruznaja listvennaja sovka) — larva of Spodoptera frugiperda
  • Russian: совка кукурузная листовая (sovka kukuruznaja listovaja) — larva of Spodoptera frugiperda
  • Spanish: cogollero del maíz — larva of Spodoptera frugiperda
  • Spanish: oruga militar tardía — larva of Spodoptera frugiperda
  • Vietnamese: sâu keo mùa thu — larva of Spodoptera frugiperda
  • Vietnamese: sâu keo hại ngô — larva of Spodoptera frugiperda