Mustard aphid: Lipaphis erysimi 
              
                
                  Symptoms of damage: 
                    
                      - Both nymph and adults suck the      sap from leaves, buds and pods
 
                      - Curling of infested leaves and      at advanced stage plants may wither and die
 
                      - Plants remain stunted and sooty      molds grow on the honeydew excreted by the insects
 
                     
                    Identification of pest: 
                    
                      - Aphids: Small, soft-bodied, pearl-shaped insects
 
                     
                    Management: 
                    
                      - Set up yellow      stick trap to monitor aphid population.
 
                      - Conserve the      natural enemies viz., Cocciniella septempunctata, Menochilus      sexmaculata,
 
                      - Spray      dimethoate@ 2 ml /lit
 
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                      | Leaf mining | 
                     
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