Trichoplusia ni
Common name:
Cabbage looper
Hadda beetle
Damaging stage:
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Ⓡ). 

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