CDFA Plant Health

Asian Citrus Psyllid (ACP)


asian citrus psyllid
 •  Pest Hotline: 1-800-491-1899

The Asian citrus psyllid (ACP) is a pest that acts as a carrier or vector spreading "huanglongbing" (HLB), a devastating disease of citrus trees. This bacterial disease is transmitted to healthy trees by the psyllid after it feeds on infected plant tissue.

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Quarantine Map Overview

Options available for viewing the quarantine boundary maps:

Grid Maps

NOTE: All grid maps are PDF documents.

Asian Citrus Psyllid (ACP) Overview - Grid Pages

And, the entire counties of:

  • Fresno
  • Imperial
  • Los Angeles
  • Orange
  • Riverside
  • San Bernardino
  • San Diego
  • Santa Barbara
  • Tulare County
  • Ventura

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CDFA YouTube

Asian Citrus Psyllid Plant Pest Threat

Learn about the threat to California citrus from the Asian citrus psyllid insect pest, carrier of Huanglongbing or yellow shoot disease, a lethal plant pathogen. (2:06)

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