CDFA Press Launch #22-109 – Mexican Fruit Fly Quarantine in a part of San Diego County

Launch #22-109


Sacramento, Aug. 24, 2022 A portion of San Diego County has been positioned beneath quarantine for a Mexican fruit fly after six flies and one larva had been detected in and round an unorganized space of ​​Valley Heart. The USA Division of Agriculture (USDA), the San Diego County Agriculture Commissioner, and the California Division of Meals and Agriculture (CDFA) are working collaboratively on this venture.

The quarantine space in San Diego County measures 77 sq. miles, bordered to the north by the Wilderness Backyard Protect; Wohlford Park south of the lake; to the west by the Moses Valley; and previously by Hellhole Canyon Protect. The hyperlink to the quarantine map could be discovered at:

As a part of the eradication effort, roughly 250,000 sterile males per sq. mile shall be launched per week in an space of ​​43 sq. miles surrounding the an infection. The sterile male mates with fertile wild feminine flies however produces no offspring. This reduces Mexican fruit fly populations as wild flies attain the top of their pure lifespan and don’t have any offspring to exchange them, in the end ensuing within the eradication of the pest. As well as, to take away any reside fruit flies and scale back inhabitants density, properties inside 200 m are being handled with an natural formulation of spinosad, which is produced from naturally occurring micro organism. . Fruits shall even be eliminated inside 100 meters of larval detection and/or feminine fly detection properties.

The quarantine will have an effect on any growers, wholesalers and retailers of host fruit within the space, in addition to nurseries with Mexican fruit fly host crops. Native residents and residential gardeners affected by the quarantine should embrace canning, freezing or juicing to eat the family produce on web site and never transfer the host objects off their property. These actions shield towards the unfold of an infection to close by areas that would have an effect on California’s meals provide and our yard gardens and landscapes.

The Mexican fruit fly can lay its eggs and infect greater than 50 forms of vegetables and fruit, affecting California agricultural exports and yard gardens alike. For extra details about the pest, please go to the pest profile right here: Residents who consider their vegetables and fruit could also be contaminated with fruit fly larvae are inspired to name the state’s toll-free pest hotline at 1-800-491-1899.

The eradication method used within the Valley Heart space of ​​San Diego County is the usual program utilized by the CDFA and is the most secure and simplest and environment friendly response program obtainable.

Whereas fruit flies and different invasive species that threaten California’s crops and pure surroundings are sometimes present in agricultural areas, the overwhelming majority are present in city and suburban communities. The commonest route of entry for these invasive species into our state is hitchhiking in vegetables and fruit introduced again illegally by vacationers as they return from contaminated areas of the world. To assist shield California’s agriculture and pure sources, the CDFA urges vacationers to comply with the Do not Pack a Pest program tips (

Federal, state, and county agriculture officers work twelve months a 12 months to stop, forestall, detect and get rid of the specter of invasive species and illnesses that may hurt or destroy our agricultural merchandise and the pure surroundings. Huh. These efforts intention to maintain California’s pure surroundings and meals provide plentiful, protected and pest-free.



CDFA protects

California Division of Meals and Agriculture public affairs workplace

1220 N St., St. 214, Sacramento, CA 95814

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