Mythimna separata
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Mythimna separata (Walker, 1865) - (rice armyworm)
This species of armyworm is an important, migrating pest of maize, rice (ears are often cut off) and other cereal crops in south-east Asia and Australia. In China, it migrates four times per year and can cause serious damage when it invades cereal fields during these migration events. For example, the first migration in China occurs in spring from southern areas to northern and central wheat fields. Maize and rice can be damaged during subsequent migrations.
The adult moths have a wingspan of around 4-5 cm. The forewings are yellowish grey. The caterpillars are greyish with lateral stripes, and the frons have an 'A' mark.
| Vernacular names | |
|---|---|
| • Deutsch: | asiatische Reiseule |
| • English: | rice armyworm Oriental armyworm rice ear-cutting caterpillar |
Synonyms:
Leucania separata
Pseudaletia separata
- Other images of Mythimna separata (Flickr, Wikimedia Commons and PaDIL - click to enlarge)
larva
head of larva
head of larva
dorsal view
ventral view
head
head
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