Mythimna separata

Oriental armyworm
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Mythimna
Species:
M. separata
Binomial name
Mythimna separata
Walker, 1865
Synonyms
  • Leucania separata
  • Mythimna (Pseudaletia) separate
  • Leucania consimilis
  • Aletia unipuncta

Mythimna separata, the northern armyworm, oriental armyworm or rice ear-cutting caterpillar, is a moth of the family Noctuidae. It is found in China, Japan, South-east Asia, India, eastern Australia, New Zealand, and some Pacific islands. It is one of the major pests of maize in Asia. The species was first described by Francis Walker in 1865.