Green leaf hopper (Nephotettix nigropictus, Nephotettix virescens , cicadilidae)

• Rice is major host and other grass is alternate host .

Damaging stage:- nymph and adult

Damaging symptoms:

• Stunted growth and reduced
• On tillers appearance of white patches at higher population
• Transmits virus diseases: tungro, yellow dwarf, yellow-orange leaf, and transitory

• Nephotettix nigropictus :- yellow dwarf and transitory yellowing disease
• Nephotettix virescens :- vector of virus disease like tungro, yellow dwarf ,yellow orange leaf, leaf yellowing

Identification

• Egg :- inner surface of leaf
• Nymph :– similar to adult ,but small in size and wingless.
• Adult :- green color ,black at distal end on each forewings

Management

• Laval parasitoid like pseudognatopus
• Predator : green mired bug , carabid beetle , lady beetle
• Light trap, rice+soybean(intercrop),transplanting older seed .
• Chloropyrifus 20% Ec @2ml/l
• Buprofenin 25%Ec @ 1g/l, it’s contact