EPPO Global Database

'Candidatus Liberibacter asiaticus'(LIBEAS)

Distribution details in United States of America (California)

Current pest situation evaluated by EPPO on the basis of information dated 2020: Present, restricted distribution
First recorded in: 2012
From CABI Disease map 766 (2012): Present, few occurrences
EPPO Reporting Service (2012/074) : first found in March 2012 in a sample of Diaphorina citri and in plant material collected from a citrus tree, in a residential area near Los Angeles (Hacienda Heights).

EPPO Reporting Service (2015/133) : found in plant material taken from a kumquat (Fortunella japonica) tree located in a residential area near San Gabriel, Los Angeles county.

In 2019 and 2020 quarantined area expanded to portions of Los Angeles, Orange, Riverside, and San Bernardino counties.
Agricultural Commissioner/Weights & Measures. County of Los Angeles. Residents and Property owners. Asian citrus psyllid and HLB. http://acwm.lacounty.gov/wps/portal/acwm/main/home/residents/animalandplantpests/asiancitruspsyllidandhuanglongbing?1dmy&page=dept.acwm.home.residents.detail.hidden.NoSide&urile=wcm%3Apath%3A/acwm+content/acwm+site/home/detail+page+authoring/186afd03-3050-4bb3-9681-59b6b8564dc1
California Department of Food and Agriculture.
- News Release of 2012-03-30. Citrus disease huanglongbing detected in Hacienda Heights areas of Los Angeles county. http://www.cdfa.ca.gov/egov/Press_Releases/Press_Release.asp?PRnum=12-013
- News Release of 2015-07-10. Citrus disease huanglongbing detected in San Gabriel are of Los Angeles country. http://www.cdfa.ca.gov/egov/Press_Releases/Press_Release.asp?PRnum=15-031

* Kumagai LB, LeVesque CS, Blomquist CL, Madishetty K, Guo Y, Woods PW, Rooney-Latham S, Rascoe J, Gallindo T, Schnabel D, Polek M (2013) First report of Candidatus Liberibacter asiaticus associated with citrus huanglongbing in California. Plant Disease 97(2), p 283.

* NAPPO Pest Alert System - Official Pest Reports
- USA (2020-02-07) Candidatus Liberibacter asiaticus (Huanglongbing): APHIS Expands the Quarantined Area in California. https://www.pestalerts.org/official-pest-report/candidatus-liberibacter-asiaticus-huanglongbing-aphis-expands-quarantined-area
- USA -2019-12-18) Candidatus Liberibacter asiaticus (Citrus greening): APHIS Expands the Quarantined Area in California. https://www.pestalerts.org/official-pest-report/candidatus-liberibacter-asiaticus-citrus-greening-aphis-expands-quarantined-3
- USA (2019-09-23) ‘Candidatus Liberibacter asiaticus’ (Citrus Greening): APHIS Expands the Quarantined Area in California, Texas, and Louisiana. https://www.pestalerts.org/official-pest-report/candidatus-liberibacter-asiaticus-citrus-greening-aphis-expands-quarantined-1

* Stocks SD (2014) More Asian citrus psyllid (Diaphorina citri) and citrus greening updates. NPDN - First Detector Network News 9(3), p 3.
------- Quarantine areas include parts of Los Angeles and Orange counties.

* Yan Z, Rascoe J, Kumagai LB, Keremane ML, Nakhla MK (2016) Citrus huanglongbing (HLB) discoveries in California in 2015 and 2012 are of different genotypes of Candidatus Liberibacter asiaticus (cLas) by double-locus genomic variation analysis. Plant Disease 100(3), p 645.
------- Findings of 2012 and 2015 are of different origin.
Situation in neighbouring countries
Country State Status
Mexico Present, restricted distribution view...