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                  Banana aphid: Pentalonia nigronervosa f. typica   
          
                  
                    | Symptoms of damage | 
                   
                  
                    
                      - Leaves are bunched into a rosette appearance, stunted      growth and leaf margins are wavy with upward rolling 
 
                        - Do not produce bunches
 
                        - Vector of bunchy top disease
 
                        - Seen in colonies on leaf axils and pseudostem
 
                         
                      
Identification of pest 
                    
                      - Nymphs: Are dark in colour
 
                      - Adult: Brownish and has black      veined wings
 
                       
                    
                      
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                        | Nymph | 
                        Adult | 
                       
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                    | Management | 
                   
                  
                    
                      - Ensure clean cultivation
 
                        - Use healthy and pest free suckers to check the pest      incidence   
 
                        - Destroy diseased plants with rhizome
 
                        - Spray methyl demeton 25 EC 0.05% 
 
                        - Encourage activity of predators like Scymnus, Chilomenes      sexmaculatus, Chrysoperla carnea and other      coccinellids
 
                        - Use Beauveria bassiana
 
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