Asian Citrus Psyllid Detected in San Francisco | Citrus Insider

Asian Citrus Psyllid Detected in San Francisco

Coast Northern California Regulatory San Joaquin Valley

San Francisco County has been placed under quarantine following the detection of one Asian citrus psyllid (ACP) in San Francisco. The county is now in Zone 7 of the ACP Regional Quarantine for Bulk Citrus Movement and Zone 2 of the ACP Regional Quarantine for Nursery Stock Movement.

The ACP regional quarantine model went into effect at the beginning of 2018 to better protect California’s commercial citrus from Huanglongbing (HLB).

In the ACP Bulk Citrus Regional Quarantine, Zone 7 comprises counties that:

  • Are partially infested with ACP
  • Have not had an HLB detection
  • Are not a contiguous citrus growing region
  • Are not proximate to the Mexico border

In the ACP Nursery Stock Regional Quarantine, Zone 2 comprises counties that:

  • Are partially infested with ACP
  • Have geographical barriers between it and Zone 3
  • Have not had an HLB detection
  • Are not proximate to the Mexico border

The ACP was detected on a residential property in the Marina community of San Francisco. It is the first psyllid detected in San Francisco County. Agricultural officials have placed insect detection traps throughout the area to determine if this is a singular insect or one of a larger population. Residents with a citrus tree within 50 meters of the site where the psyllid was trapped will be contacted by agriculture officials who will ask to treat citrus host plants.

For questions regarding the quarantine regulations or map, please email Jennifer VanDyke at Jennifer.VanDyke@cdfa.ca.gov or Keith Okasaki at Keith.Okasaki@cdfa.ca.gov.


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