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ATTENTION! We need your help to prevent the spread of the Asian Citrus Psyllid. Please don’t move citrus trees, or their trimmings, from an area where the psyllid has been found to an area where the pest has not been detected. Please call the Plant Services Division of the Arizona Department of Agriculture for more information. In Yuma call (928)341-1680 for all other areas please call (602)542-0955.

The Asian Citrus Psyllid (ACP), an aphid-like insect, is a serious pest of all citrus and closely-related plants because, if infected, it can transmit Citrus Greening Disease or Huanglongbing (HLB), when it feeds on the plants’ leaves and stems. HLB is the most devastating disease of citrus in the world. Symptoms of HLB include yellow shoots, leaf mottle, small upright leaves and lopsided fruit with a bitter flavor. Infected trees decline in health, produce inedible fruit and eventually die. There is no known cure for the disease and infected trees must be removed and destroyed to prevent further spread of HLB. However, HLB is not harmful to animals or humans.

Currently in Arizona, ONLY the psyllid has been detected and quarantines have been put in place for Mohave County and portions of La Paz and Yuma Counties. Click here to see the areas of Arizona under quarantine for ACP. We are asking that businesses, residences, and visitors in these areas be careful not to accidentally spread the pest to parts of the state where the psyllid does not exist. Here are a few preventative steps we ask that you be aware of:

  • Purchase your citrus trees locally.                                                  

  • Maintain and keep your citrus trees healthy

  • Dry and double bag your citrus tree trimmings before sending them to a landfill.

  • Only take commercially packed citrus fruit out of the quarantine area.

  • Never take citrus plants, unclean fruit, or citrus plant parts out of the quarantine area.

  • Never ship citrus fruit, plants, or plant parts through the mail.(STATEWIDE)

  • Contact your local Master Gardener Program (Click for locations) or Department of Agriculture if you believe your tree has the Asian citrus psyllid or Citrus greening disease.

  • You can also find more information at www.saveourcitrus.org/arizona

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    Please keep in mind the following for general knowledge and to help reduce the risk to Arizona citrus.

  • Please do not bring citrus fruit, plants, or plant parts (leaves, stems, seeds, etc.) into Arizona from other countries or states without the proper certification and treatment.

  • Please do not bring other ACP/HLB host plants into Arizona from other countries or states without the proper certification and treatment. For a list of regulated plants see: ACP Host List

  • Citrus fruit being moved from inside of the ACP quarantine area to citrus producing areas where ACP is not present must be cleaned using normal packinghouse procedures and have a valid compliance agreement issued by the USDA. Please call (602)431-3202 for more information.

  • Citrus plants and other host plants being moved from inside of the quarantine area for ACP may not be moved to other citrus producing states where ACP is not present. Citrus plants and other hosts plants being moved from inside of the quarantine area for ACP to non-citrus producing states must have a valid compliance agreement issued by the USDA. Please call (602)431-3202 for more information.

  • Private individuals may not move citrus plants and other host plants from inside the quarantine area to anywhere else in the state not under quarantine for ACP.

  • Nurseries inside of the Arizona ACP quarantine area that are under compliance agreement with the Department and follow the protocols under the Clean Citrus Stock Program (DAO11-01) are eligible to move citrus nursery stock to other areas of the state, outside of the ACP quarantine area. For more information please call (602)542-0955.

  • Citrus trees purchased to be planted within the quarantine area must have a tag issued by the USDA that states that the citrus trees may not be moved to outside of the quarantine area.

  • Click to view a list of plants under regulation.

  • For more information regarding restrictions due to this pest please call:

    • In Yuma (928)317-1680

    • In all other areas call (602)542-0955


 
Useful links:
http://www.saveourcitrus.org
http://www.californiacitrusthreat.org/
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