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Rice caseworm

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1. Case worm (Nymphula depunctalis) is one of the serious pests in many areas of the NE region. 2. Adults of case worm are 6 mm long with wingspan of 15 mm. Slender green coloured caterpillars cut leaf blades into length of about 1.25 cm out of which they make tubular cases with which they feed and float while moving plant to plant. During heavy damage, leaves are skeletonised and appear whitish in colour.

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