| Species: | |
 |
Trichoplusia ni |
| Common name: | |
|
Cabbage looper |
|
Hadda beetle |
| Damaging stage: | |
|
Larvae |
| Crops Affected: | |
|
Solanaceous, cucurbits, brassicas, legumes, rice |
| Characteristic Damage: | |
|
All stages of the crop can be attacked by semi-looper. |
|
Larvae feed on the underside of the leaves creating small holes which may lead to complete defoliation of the crops. |
|
It can cause stunting of cabbage and cauliflower heads. |
| Management and Control: | |
|
Monitor the area regularly. |
|
Prune heavily infested leaves and dispose properly. |
|
Use natural enemies-predators such as small trichogrammatid wasps, ichneumonid, braconid, elasmid, eulophid and chalcid wasps, and spiders. |
|
Spray botanical insecticides such as neem, hot pepper and kakawate extracts. |
|
Apply insecticides such as pyrethrins, cyfluthrin, carbaryl and spinosad. |
|
Apply insecticides such as lambda-Cyhalothrin (BidaⓇ, KarateⓇ, DescarteⓇ), fipronil (e.g. Ascend®, Flipper®), cypermethrin (e.g. BushwackⓇ, MagnumⓇ, Cymbush 5ECⓇ) Bacillus thuringiensis subspecies aizawai (Bta) (e.g. Xentari®, Aztron), acephate (e.g. Acetam®, BlackhawkⓇ), fenitrothion (Sumithion 50Ⓡ), deltamethrin (e.g. Decis®, DecideⓇ, ScoutⓇ, Agro DeltametrinⓇ). |
| References: | |
| http://www.knowledgebank.irri.org/index.php?option=com_zoo&task=item&ite... | |
| http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/hel... | |
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