Species: | |
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Spodoptera litura (Fabricius) |
Common name: | |
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taro catterpillar |
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cluster caterpillar |
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common cutworm |
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cotton leafworm |
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cotton worm |
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tobacco caterpillar |
Damaging stage: | |
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Larvae |
Crops Affected: | |
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Cucurbits, solanaceous, legumes, brassicas, onion |
Characteristic Damage: | |
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Newly hatched larvae attack their hosts in cluster and feed gregariously by scraping the leaf surface. |
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Larvae move and feed on the other leaves making large irregular holes and may leave only the veins. |
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High infestation results to severe defoliatio |
Management and Control: | |
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Monitor the area regularly. |
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Hand pick the larvae to reduce the population. |
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Remove weeds and volunteer plants that may serve as alternate hosts. |
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Cultivate the soil by plowing and harrowing and use plastic mulch to minimize pupation in the soil. |
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Plant trap crops like sunflower, taro or castor plants around the area. |
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Use of pathogens like the nuclear polyhedrosis virus and entomopathogenic fungi Aspergillus flavus, Beauveria bassiana and Metarhizium anisopliae to reduce cutworm population. |
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Apply botanical insecticide like neem extract. |
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Apply lamda-cyhalothrin, cypermethrin, acephate, chlorpyrifos, tebufenozide, fipronil and Bacillus thuringensis when necessary. |
References: | |
https://en.wikipedia.org/wiki/Spodoptera_litura | |
http://www.cabi.org/isc/datasheet/44520 | |
http://wiki.bugwood.org/Spodoptera_litura |
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