Official Pest Report

Official Pest Reports are provided by National Plant Protection Organizations within the NAPPO region. These Pest Reports are intended to comply with the International Plant Protection Convention's Standard on Pest Reporting, endorsed by the Interim Commission on Phytosanitary Measures in March 2002.

Xanthomonas spp. (Citrus Canker): APHIS adds portions of Cameron County in Texas to the Domestic Quarantine Area

Country: United States


Xanthomonas spp. (Citrus Canker): APHIS adds portions of Cameron County in Texas to the Domestic Quarantine Area

Shailaja Rabindran, Director of Specialty Crops and Cotton Pests, at (301) 851-2167 or


Effective immediately, the Animal and Plant Health Inspection Service (APHIS) is establishing three new quarantine areas and expanding two existing quarantine areas for citrus canker in Cameron County, Texas, to prevent the spread of the disease.

This action is necessary because APHIS confirmed the positive identification of citrus canker in citrus trees from residential areas in the Los Fresnos, Bayview, and San Jose areas of Cameron County. In addition, APHIS is expanding the quarantine area in the San Benito and Rancho Viejo areas of Cameron County, after additional trees were confirmed positive for citrus canker during routine surveys. The Texas Department of Agriculture has established an intrastate quarantine area for citrus canker that parallels the federal citrus canker regulatory requirements specified in 7 Code of Federal Regulations (CFR) 301.75.

Under the current citrus canker quarantine regulations, the interstate movement of citrus plants and plant parts other than commercially packed and disinfected citrus fruit remains prohibited. Citrus nursery stock that is moved in accordance with regulations contained in 7 CFR 301.75-6 may move from areas quarantined for citrus canker.

The establishment of this quarantine area is reflected on the following designated website, which also contains a description of all the current federal citrus canker quarantine areas:

Under IPPC standards, species of Xanthomonas that cause citrus canker are present only in some areas in Florida, Louisiana, and Texas. These species are not widely distributed and are under official control in the United States.

Posted Date: Nov. 8, 2021, 2:59 p.m.