Objectives/Purpose of pest surveillance

  • identification of the target pest (s)
  • identification of scope
  • identification of timing (dates, frequency, duration)
  • in the case of commodity pest lists, the target commodity
  • indication of the statistical basis

Types of surveillance

  1. General Surveillance
  2. Specific Survey

General Surveillance

  • Literature Sources
  • Collection, storage and retrieval of information
  • Use of information (Research institutions, universities, scientific societies (including amateur specialists), museums, scientific journals )
  • Producers, consultants, the general public, and trade journals, unpublished data and contemporary observations.
  • FAO, RPPOs, etc.

Specific Survey

  • Detection
  • Delimiting
  • Monitoring surveys

Official surveys should follow a plan which is approved by the NPPO.

Pest Survey Site

Pest survey sites are determined by the:

  • reported presence and distribution of the pest
  • biology of the pest
  • distribution of host plants of the pest and especially of their areas of commercial production
  • climatic suitability of sites for the pest.

Pest survey Timing

  • life cycle
  • phenology of the pest and its hosts
  • pest management programmes
  • whether the pest is best detected on crops in active growth or in the harvested crop.

Record Keeping

Information in the records should include:

  • scientific name of pest
  • family/order
  • scientific name of host, and plant part affected or means of collection
  • locality (location codes, addresses, coordinates
  • date of collection and name of collector
  • date of identification and name of identifier
  • date of verification and name of verifier
  • references, if any
  • additional information,
  • stage of plant affected, or found only in greenhouses.