Subtropical Fruit Crops Research & Education
University of California
Subtropical Fruit Crops Research & Education

Asian Citrus Psyllid in Santa Barbara and Citrus Conference

This is a friendly reminder that the Fall ACP Area Wide Management treatment windows for Santa Barbara County are currently under way -- schedule provided below. Please be sure to notify beekeepers in your area before treating, and file your use reports with the county ASAP after finishing to ensure your treatment is acknowledged. 


Thank you to those who have already treated and filed, and those with pending treatments scheduled. The rain forecasted for this week may delay treatments, please just treat when you are able to get back into your orchard. Thank you. 


2018 Fall Treatment Schedule 

Carpinteria, Summerland, Montecito : Sept 16 to Sept 29

Santa Barbara, Goleta, Gaviota, Santa Maria etc : Sept 23 - Oct 6


CITRUS REMOVAL PROGRAM: If you have, or know of, unloved citrus that is not being cared for, the Citrus Matters ACT NOW program through CCM may be able to assist in removing it. Call 1-844-STOP-HLB (1-844-786-7452) for more information, or contact Joel Reyes at or (559) 592-3790. Abandoned or neglected citrus can also be reported to the County Ag Department.


Huanglongbing (HLB) Update

The most recent map and totals for HLB detections are posted at the website . As of September 28 the total number of trees that have tested positive for the HLB bacterium is 874, all in Los Angeles, Orange and Riverside Counties, plus a single ACP from San Bernardino that tested positive. The most recent expansion to the HLB quarantine area is in Tustin, in Orange County.  All HLB detections have been on residential properties and the infected trees have been or are being removed. No HLB has been found in commercial groves to date.


UPCOMING MEETINGS -- Agendas Attached

  • The CPDPC Operations Subcommittee meets Wed., October 3 at 9 am in Visalia. Field cleaning protocols are on the agenda again.
  • The CPDPC Outreach Subcommittee meets Wed., October 3 at 1:30 pm in Visalia.  
  • Regulatory Task Force meets October 12 at 1 pm via webinar. Mitigations for moving bulk fruit across quarantine zones will be reviewed, including field cleaning.
  • All meetings are open to the public and free to attend. Agendas for all program meetings, including webinar information, can be found here, along with minutes from previous meetings:  

Useful Links for Area Wide Management

Summaries of the latest scientific research on combating HLB:


UC recommendations for checking your trees for ACP:


UC-recommended ACP insecticides and treatment protocols, including broad, soft and organic options:


For general updates and information on the state ACP/HLB program and regional activities, go to


ACP Regional Quarantine Information for Santa Barbara County:

To move bulk citrus outside of your quarantine zone (Santa Barbara/Ventura County) you must have a compliance agreement from CDFA and follow the instructions therein. A copy of the compliance information for growers is here:

Contact the County Ag Department/Ag Commissioner's Office (805 681-5600) for more information on the regional quarantine for bulk fruit movement. 

Please keep in mind that the quarantine compliance program for moving bulk fruit is a separate and distinct program and protocol from the Area Wide Management program detailed in this email. Please feel free to contact me with any questions regarding the ACP Area Wide Management program.



Cressida Silvers

ACP/HLB Grower Liaison

Ventura, Santa Barbara and San Luis Obispo Counties

805 284-3310


2018 California Citrus Conference




Posted on Monday, October 1, 2018 at 11:44 AM
Tags: acp (78), adian citrus psyllid (1)

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