• Nymphs and adults suck the sap of inflorescence
• Withering
• Shedding of flower buds and flowers
• Presence of honey dew secrecation on lower leaves and development of sooty mould.
• Clicking sound - movement of jassids amidst leaves.
• Hoppers provide shelter in the cracks and crevices of the barks on the tree  

• Nymph - Nymphs pale yellow, very active and hide in lower shoots or in cracks in the barks.
• The insect appears in February when mango trees come to flowering.
• Adult
  • a. Idioscopus niveoparsus; Adults: dark with wavy lines on wings and three spots on scutellum.
  • b. I. clypealis; Adults: small, light brown with dark spots on the vertex and two spots on scutellum.
  • c. Amirtodus atkinsoni; Adults: large, light brown with two spots on scutellum.

• Avoid close planting, as the incidence very severe in overcrowded orchards.
• Orchards must be kept clean by ploughing and removal of weeds.
• Spray two rounds of acephate 75 SP@ 1g/lit or phosalone 35 EC@ 1.5 ml/li

OR

• First spray at the time of panicle emergence , second spray two weeks after first spray.
• Wettable sulphur @ 2 g/lit may be sprayed after spraying carbaryl to avoid mite resurgence.
• The mixture toxaphene with sulphur (1:1) have been reported to be effective against pest.  
• Neem oil 5 ml/lit of water can be mixed with any insecticides
• Spray 3 per cent neem oil or neem seed kernel powder extract 5 per cent