Rice Cut Worm and Its Control
Scientific Name - Spodoptera litura
Occurrence Stage - Vegetative Stage, Flowering Stage, Grain Filling Stage
Nature of Damage - Larvae cut and chew the leaves.
Damage symptoms - Leave cuts and in severe infestation, defoliation around the plant base
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Figure 15 Larva and Adult of Rice Cut Worm |
Figure 16 Adult Rice Cut Worm |
Figure 17 Cut leaves damaged by larvae |
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Source : IRRI |
Control Measures
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Use egg and larval parasitiods to reduce the pest density
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Egg parasitiods (Telenomus remus)
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Egg and larval parasitiods (Chelonus heliopae)
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Larval parasitoids (Apanteles rufierus/ Campoletes chloridae/Hyposoter didymator)
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Conehead Cricket (Conocephlus Sp) eat rice cutworm’s eggs.
Chemical Control
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Use (Cypermethrin/ fenvalerate/endosulfan/Quinalphos/ monocrotophos/ methomyl) at recommended rate.