About the pest

  • found in over 30 countries in Asia, some Pacific and Indian Ocean islands, South America and USA (Florida)
  • infects all young, actively growing leaves, twigs, stems, trunks, thorns and fruit of susceptible hosts
  • lesions first appear as pin-point spots that become small, slightly raised pustules or blister-like eruptions
  • lesions can be surrounded by a yellow halo and occur initially on the lower leaf surface
  • symptoms exacerbated by leaf miner injury
  • the bacteria can be spread by wind blown rain, insects, workers and equipment, or via infected plant material
  • has been eradicated from Australia on several occasions


More information

Citrus canker (Department of Agriculture)

Citrus canker (Plant Health Australia)