Cnaphalocrocis medinalis

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Cnaphalocrocis medinalis (click on image to enlarge it)
Source: Wikimedia Commons

Cnaphalocrocis medinalis (Guenée) - (rice leaffolder)

The moth is an important, migrating pest of rice in Asia which can cause yield losses of up to 50%. The yearly losses in China are estimated at 760,000 tons of rice. The caterpillars fold and scrape the leaf surface, causing longitudinal stripes. It may also attack other cereals. Some resistant rice varieties are available.

The larvae go through 5 instars and are pale yellowish green. The moths are light brown with dark margins and two narrow wavy lines, the wing span is 17-19 mm.

For details see the respective page in Wikipedia.

Vernacular names
• Deutsch: Reisblattroller
• English: rice leaffolder
rice leafroller
• Français: pyrale des herbes