CDFA Plant Health

Huanglongbing (HLB) Quarantine Information

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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.

HLB Quarantine Information

Save Our Citrus

Are you worried that your orange tree looks sick? Are your citrus fruits misshapen or discolored? Think your citrus trees might have a disease? Send a photo with this free app and help save our citrus.
Save Our Citrus App The SAVE OUR CITRUS app is a free iPhone application from the United States Department of Agriculture (USDA) that makes it easy to report and identify the four leading citrus diseases: citrus greening, citrus canker, citrus black spot and sweet orange scab. Report your symptoms, upload a photo and receive a response back from citrus experts.
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Get information about these citrus diseases and affected areas in the United States. The app includes information and diagnostic tools for all four diseases. Make sure your citrus is healthy and help stop the spread of these incredibly destructive citrus diseases.

CDFA YouTube

HLB Tree Removal in Southern California

Video documentation of California's first ever citrus tree diagnosed with the deadly Huanglongbing disease being removed from a Southern California residence in 2012.(3:12)

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