Asian Citrus Psyllid / Huanglongbing
Report a Pest: 1-800-491-1899
Notice of Treatment
and
Proclamation of an Emergency Program
The plant disease known as Huanglongbing (HLB) is believed to be caused by a phloem-restricted bacterium which is vectored by the Asian Citrus Psyllid (ACP).
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP):
Fresno, Fresno County 2023-02
– December 8, 2023
- Map Only: Fresno, Fresno County 2023-02 – December 8, 2023
- PEP (ACP):
Fresno, Fresno County 2023-01
– November 1, 2023
- Map Only: Fresno, Fresno County 2023-01 – November 1, 2023
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP):
Bakersfield, Kern County 2024-03
– December 2, 2024
- Map Only: Bakersfield, Kern County 2024-03 – December 2, 2024
- PEP (ACP):
Bakersfield, Maricopa, Oildale, Kern County 2024-02
– November 15, 2024
- Map Only: Bakersfield, Maricopa, Oildale, Kern County 2024-02 – November 15, 2024
- PEP (ACP):
Shafter, Kern County 2024-01
– February 12, 2024
- Map Only: Shafter, Kern County 2024-01 – February 12, 2024
- PEP (ACP):
Bakersfield, Kern County 2023-04
– November 3, 2023
- Map Only: Bakersfield, Kern County 2023-04 – November 3, 2023
Notice of Treatment (NOT):
Proclamation on an Emergency Program (PEP):
- PEP (ACP/HLB): Los Angeles County 2024-03 – September 13, 2024
- PEP (ACP/HLB):
Los Angeles County 2024-02
– July 31, 2024
- Map Only: Los Angeles County Emergency Program Area 2024-02 – July 31, 2024
- PEP (ACP/HLB):
Los Angeles County 2024-01
– January 30, 2024
- Map Only: Los Angeles County Emergency Program Area 2024-01 – January 30, 2024
- PEP (ACP/HLB):
Los Angeles County 2023-13
– November 17, 2023
- Map Only: Los Angeles County 2023-13 – November 17, 2023
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP/HLB):
Orange County 2024-03
– November 18, 2024
- Map Only: Orange County Emergency Program Area 2024-02 – November 18, 2024
- PEP (ACP/HLB): Orange County 2024-02 – August 23, 2024
- PEP (ACP/HLB):
Orange County 2024-01
– February 12, 2024
- Map Only: Orange County Emergency Program Area 2024-01 – February 12, 2024
- Treatment Area 1 – February 26, 2024
- Treatment Area 2 – February 26, 2024
- Treatment Area 3 – February 26, 2024
- Treatment Area 4 – February 26, 2024
- Treatment Area 5 – March 28, 2024
- Treatment Area 6 – April 17, 2024
- Treatment Area 7 - May 17, 2024
- Treatment Area 8 - June 19, 2024
- Treatment Area 9 - July 24, 2024
- PEP (ACP/HLB):
Orange County 2023-11
– November 17, 2023
- Map Only: Orange County 2023-11 – November 17, 2023
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP/HLB): Riverside County 2024-03 – November 12, 2024
- PEP (ACP/HLB): Riverside County 2024-02 – September 6, 2024
- PEP (ACP/HLB):
Riverside County 2024-01
– February 6, 2024
- Map Only: Riverside County Emergency Program Area 2024-01 – February 6, 2024
- Treatment Area 1 – February 29, 2024
- Treatment Area 2 – February 29, 2024
- Treatment Area 3 – February 29, 2024
- Treatment Area 4 – February 29, 2024
- Treatment Area 5 – March 28, 2024
- Treatment Area 6 – April 17, 2024
- Treatment Area 7 – May 2, 2024
- Treatment Area 8 – May 16, 2024
- Treatment Area 9 – June 4, 2024
- Treatment Area 10 – June 19, 2024
- Treatment Area 11 – July 23, 2024
- Treatment Area 12 – August 20, 2024
- PEP (ACP/HLB):
Corona and Norco, Riverside County 2023-16
– November 17, 2023
- Map Only: Corona and Norco, Riverside County 2023-16 – November 17, 2023
- PEP (ACP/HLB):
Corona and Jurupa Valley, Riverside County 2023-15
– October 27, 2023
- Map Only: Corona and Jurupa Valley, Riverside County 2023-15 – October 27, 2023
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP/HLB):
San Bernardino County 2024-01
– February 9, 2024
- Map Only: San Bernardino County Emergency Program Area 2024-01 – February 9, 2024
- Treatment Area 1 - February 29, 2024
- Treatment Area 2 - February 29, 2024
- Treatment Area 3 - February 29, 2024
- Treatment Area 4 - February 29, 2024
- Treatment Area 5 - March 28, 2024
- Treatment Area 6 - April 18, 2024
- Treatment Area 7 – May 2, 2024
- Treatment Area 8 – May 16, 2024
- Treatment Area 9 – June 4, 2024
- Treatment Area 10 – July 8, 2024
- Treatment Area 11 – July 23, 2024
- Treatment Area 12 – August 23, 2024
- Treatment Area 13 – September 4, 2024
- Treatment Area 14 – September 17, 2024
- Treatment Area 15 – October 29, 2024
- Treatment Area 16 – November 1, 2024
- Treatment Area 17 – November 15, 2024
- Treatment Area 18 – December 6, 2024
- PEP (ACP/HLB):
Ontario and Rancho Cucamonga, San Bernardino County 2023-21
– December 15, 2023
- Map Only: Ontario and Rancho Cucamonga, San Bernardino County 2023-21 – December 15, 2023
- PEP (ACP/HLB):
Ontario, San Bernardino County 2023-20
– November 28, 2023
- Map Only: Ontario, San Bernardino County 2023-20 – November 28, 2023
- PEP (ACP/HLB):
Ontario, San Bernardino County 2023-19
– November 6, 2023
- Map Only: Ontario, San Bernardino County 2023-19 – November 6, 2023
- PEP (ACP/HLB):
Ontario, San Bernardino County 2023-18
– October 27, 2023
- Map Only: Ontario, San Bernardino County 2023-18 – October 27, 2023
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
-
PEP (ACP/HLB):
San Diego County 2024-02 – October 3, 2024
- Map Only: San Diego County Emergency Program Area 2024-02 – October 3, 2024
-
PEP (ACP/HLB):
San Diego County 2024-01 – February 5, 2024
-
Map Only:
San Diego County Emergency Program Area 2024-01 – February 5, 2024
- Treatment Area 1 – February 29, 2024
- Treatment Area 2 – February 29, 2024
- Treatment Area 3 – April 8, 2024
- Treatment Area 4 – May 20, 2024
- Treatment Area 5 – July 29, 2024
- Treatment Area 6 – August 1, 2024
- Treatment Area 7 – August 12, 2024
- Treatment Area 8 – September 4, 2024
- Treatment Area 9 – September 9, 2024
-
Map Only:
San Diego County Emergency Program Area 2024-01 – February 5, 2024
-
PEP (ACP/HLB):
Valley Center, San Diego County 2023-11 – October 27, 2023
- Map Only: Valley Center, San Diego County 2023-11 – October 27, 2023
Proclamation of an Emergency Program (PEP):
- PEP (ACP): San Jose, Santa Clara County 2024-02 – September 23, 2024
- Map Only: San Jose, Santa Clara County 2024-02 – September 23, 2024
- PEP (ACP): San Jose, Santa Clara County 2024-01 – June 11, 2024
- Map Only: San Jose, Santa Clara County 2024-01 – June 11, 2024
Notice of Treatment (NOT):
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP):
Tulare County 2024-01
– September 18, 2024
- Map Only: Tulare County 2024-01 – September 18, 2024
Notice of Treatment (NOT):
Proclamation of an Emergency Program (PEP):
- PEP (ACP/HLB):
Ventura County 2024-02
– September 10, 2024
- Map Only: Ventura County Emergency Program Area 2024-02 – September 10, 2024
- PEP (ACP/HLB):
Ventura County 2024-01
– February 5, 2024
- Map Only: Ventura County Emergency Program Area 2024-01 – February 5, 2024
- PEP (ACP/HLB):
Santa Paula, Ventura County 2023-06
– December 7, 2023
- Map Only: Santa Paula, Ventura County 2023-6 – December 7, 2023
- PEP (ACP/HLB):
Santa Paula, Ventura County 2023-05
– November 17, 2023
- Map Only: Santa Paula, Ventura County 2023-05 – November 17, 2023
- PEP (ACP/HLB):
Santa Paula, Ventura County 2023-04
– November 8, 2023
- Map Only: Santa Paula, Ventura County 2023-04 – November 8, 2023
- PEP (ACP/HLB):
Santa Paula, Ventura County 2023-03
– October 27, 2023
- Map Only: Santa Paula, Ventura County 2023-03 – October 27, 2023
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ACP/HLB
Resources
Interactive Website for Asian Citrus Psyllid Management (for Growers and Homeowners)UCANR
Asian Citrus Psyllid: Provisional Treatment Guidelines for Citrus in Quarantine Areas UC IPM Online
CA Citrus Pest and Disease Prevention Committee (CPDPC)
County Agriculture Departments
Invasive Pests and Diseases
HLB Online Resources USDA
PEST FACT SHEETS:
CDFA Entomology Lab Plant Pest Information USDA/APHIS Save Our Citrus USDA
CDFA Entomology Lab Plant Pest Information USDA/APHIS Save Our Citrus USDA