Pest Types According to EIL, GEP AND DB

Question 1

• GEP is very close to EIL or coincides with EIL
• Economic damage can be prevented by timely repeated sprays e.g. Cotton jassid, Red stem borer

Answer 1

Major pest

Question 2

• GEP is below EIL usually
• Can be controlled by spraying e.g. Cotton stainers, Rice hispa, Ash weevils

Answer 2

Minor pest / Secondary pest

Question 3

Key pest

Answer 3

• Persistent and damaging pests
• GEP is above EIL
• These are persistent and damaging pests
• Trigger of control measures
• Their population is changed to bring GEP below EIL e.g. Cotton Bollworm, Diamond Backmoth
  Difficult to control

Question 4

• Emergence below EIL and cause severe losses in some years
• Examples: Sugarcane pyrilla, White grub, Hairy caterpillar

Answer 4

Sporadic pests

Question 5

• They are not pests at present
• If environment changed, may cause economic loss
• They are not pests at present
• If environment changed, may cause economic loss

Answer 5

• Potential pests