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Armyworm caterpillar
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University of Arkansas
Is this a Minor Pest?
Yes
Minor Pest Title
African armyworm (Spodoptera exempta)
Minor Pest Description
It is an occasional but seriously destructive pest. It causes serious damage to young plants in years of armyworm outbreaks. The leaves are eaten away often leaving only the base of the stem.
Minor Pest What to do.
- Monitor regularly field margins, low areas where plants have lodged, beneath plant debris around the base of plants, on the ground, and underneath the plant leaves. Check daily young crops if conditions are known to be favourable to the pest outbreaks.
- Spray Bt or botanicals such as neem and pyrethrum extracts. Spray when caterpillars are small. Once caterpillars are mature (about 3 to 3.5 cm long) they may have cause serious damage and it may no longer be economical to treat the crop. For more information on Neem click here, for Pyrethrum click here and for Bt click here
- Conserve and encourage natural enemies. For more information on Natural enemies click here
- Practise field sanitation. For more information on Field sanitation click here
Minor Pest Position
3
Minor Pest Firstcontent
127
Pest Type
insect
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Common names; Mystery worm, Barnosay
Host Plants
Sorghum
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