CDFA Plant Health

Asian Citrus Psyllid (ACP) / Huanglongbing (HLB)

 •  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.