Crop Protection :: Pests of Mango 
         
 
        
          
            
              
Fruit fly: Bactrocera (Dacus) dorsalis 
  
    | Symptoms of damage | 
   
  
    
      
      - Maggot bore into semi-ripen fruits with decayed spots and dropping of fruits.
 
      - Oozing of fluid
 
      - Brownish rotten patches on fruits.
 
       
      Identification of pest 
      
        - Larva - Yellowish apodous maggots.
 
        - Adult - Light brown with transparent wing
 
         
         
      
        
          
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            | Maggots of fruit fly dropping out of mango fruit | 
            Mango fruit fly | 
            Maggot  | 
           
        
       
      Management 
      
        - Collect fallen infested fruits and dispose them by dumping in a pit
 
        - Provide summer ploughing to expose the pupa
 
        - Monitor the activity of flies with methyl eugenol sex lure traps.
 
        - Bait spray - combing any one of the insecticides and molasses or jaggery 10 g/l,
          
            - malathion 50EC 2 ml/l,
 
            - dimethoate 30 EC 1 ml/l,
 
            - carbaryl 50 WP 4 g/l. two rounds at 2 weeks interval before ripening of fruits.
 
             
          Biological control
          
            - Field release of natural enemies Opius compensates and Spalangia philippines
 
             
           
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