In Wikipedia: Pest (Organism)

A pest is an animal which is detrimental to humans or human concerns. It is a loosely defined term, often overlapping with the related terms vermin, weeds, parasites and pathogens. In its broadest sense, a pest is a competitor of humanity.

Plantwise has a list of common pests (select country or region), and for each pest a datasheet including:

  • Host plants / species affected
  • Description of pest
  • Pest distribution map
  • Images of the pest
  • Prevention and control
  • Impact