Symptoms of damage

• Nymphs and adults congregate at the base of the plant above the water level
• Affected plant dries up and gives a scorched appearance called “hopper burn”.
• Circular patches of drying and lodging of matured plant
• It is vector of grassy stunt, ragged stunt and wilted stunt diseases
• ovipositional marks exposing the plant to fungal and bacterial infections
• ragged stunt or grassy stunt virus disease plant may be observed

Identification of insect pest

• BPH adult is brownish black with yellowish brown body. It has a distinct white band on its mesonotum and dark brown outer sides.

• The adults exist in two forms, macropterous and brachypterous. Macropterous adults or long-winged have normal front and hind wings, whereas brachypterous forms or the short-winged have reduced hind wings. A prominent tibial spur is present on the third leg.

Hopper burn	Adult

Management

• ETL -1 hopper/ tiller in the absence of predatory spider and 2 hoppers /tiller
  when spider is present at 1/hill.
• Avoid excessive use of nitrogen
• Control irrigation by intermittent draining
• Set up light traps during night or yellow pan traps during day time
• Drain the water before use of insecticides and direct the spray towards the base of the plants.

Apply any one of the following insectcides:

• Phosalone 35 EC 1500 ml/ha
• Carbaryl 10 D 25 kg/ha
• Methyl demeton 25 EC 1000 ml/ha
• Chlorpyriphos 20 EC 1250 ml/ha
• Acephate 75 % SP 666-1000 g/ha
• Azadirachtin 0.03% 1000 ml/ha
• Neem oil 3% 15 lit/ha
• Buprofezin 25% SC 800 ml/ha
• Carbosulfan 25 EC 800-1000 ml/ha
• Chlorantraniliprole 18.5% SC 150 g/ha
• Chlorantraniliprole 0.4% G 10 kg/ha
• Dichlorvos 76%SC 470 ml/ha
• Fenoucarb (BPMC) 50% EC 500-1500 ml/ha
• Fipronil 5% SC 1000-1500 ml/ha
• Fipronil 0.3% GR 16670-25000 g/ha
• Imidacloprid 70% WG 30-35 kg/ha
• Imidacloprid 17.8 SL 100-125 ml/ha
• Phosphamidon 875 ml/ha
• Triazophos 40% EC 625-1250 ml/ha