White Backed Plant Hopper : Sogatella furcifera  (Hovarth)

                                                   (Hemiptera : Delphacidae)

Local name: Bili Bennina Jigi Hulu

Vernacular nam: Bili dhomi, Solle

Damage symptoms:

• Leaves turn yellow and later brownish.
•  "Hopper burn".
• Sooty mould development due to honeydew secretion by hoppers.

                                        

                               Nymphs and adults sucking the sap

Management:

Cultural practices:

• Avoid use of excess nitrogen.
• Monitoring of WBPH at base of the plant 30 days after transplanting at weekly interval
• Alternate wetting and drying the field during peak infestation.
• Apply recommended dose of nitrogenous fertilizers

Biological control:

• Mirid bug, Cyrtorhinus lividipennis  Reuter prey on eggs and small nymphs of WBPH

                                                        

                                                             Mirid bug

• Spider (Paradosa, Tetragnatha, Argiope, Araenus, Oxypes)feed on  leaf-and plant hoppers

         

       Tetragnatha                 Oxyopes                           Argiope                             Pardosa       

• Damsel flies, Dragon flies prey on hoppers and moths

Chemical control:

• Spray monocrtophos 35 EC @ 2ml/l (624ml/acre) at nursery stage.
• Application of granular phorate 10G@ 4kg/acre or carbofuran 3G@ 10kg/acre insecticides in presence of thin film of water                                                                   or
• Spray imidacloprid 200 SL @ 0.5ml (125ml/acre) or thiomethaxm 25WG @ 0.5g (125kg/acre) or phaslone 35 EC @ 2ml/l (800ml/acre) water or quinolphos 5G @ 12kg/acre