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***Insect growth regulators
 
***Insect growth regulators
 
***Inorganic chemicals
 
***Inorganic chemicals
***Entomophagous nematodes
+
***Entomophagous nematodes (These are parasitic nematodes which predate other parasite eggs)
    
*To prevent resistance occurring, control methods should not rely solely on chemical methods
 
*To prevent resistance occurring, control methods should not rely solely on chemical methods
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