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Official Pest Reports

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.

USA Flag Anastrepha ludens (Mexican fruit fly) – Removal of Quarantined Area in San Diego County, California - United States
Date posted: 07/15/2008
Contact: Wayne Burnett, Domestic Coordinator, Fruit Fly Exclusion and Detection Programs at (301) 734-4387
On November 30, 2007, the Animal and Plant Health Inspection Service (APHIS) designated portions of San Diego County as Mexfly quarantine areas and applied restrictions on the interstate movement of regulated articles from that area to prevent the spread of Mexfly to noninfested areas of the United States. Since that time, APHIS has worked cooperatively with the California Department of Food and Agriculture to eradicate the transient population of Mexfly from that area through various population control actions, including the release of sterile Mexflies and the application of foliar bait sprays.

Eradication was concluded after sufficient time passed without finding additional Mexflies in the area. Specifically, an intensified fruit fly trap surveillance system was deployed and monitored for three life cycles, calculated through a modeling process specific for Mexfly.

This change to the quarantine area will be reflected on the following designated website which contains a description of all the current Federal fruit fly quarantine areas:  

Under IPPC standards, Anastrepha ludens is considered to be a pest that is absent: eradicated from San Diego County, California in the United States.

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