First-ever Queensland fruit fly quarantine restricts moving homegrown produce – Food Blog


QFF quarantine in LA, Ventura counties amongst 7 fruit fly quarantines statewide

Residents in numerous Southern California and Northern California counties must stagnate homegrown vegetables and fruits from their residential or commercial properties to assist include numerous types of fruit fly that can damage crops and effect the incomes of regional farmers.

With sharing and gifting of food essential to the holiday, the California Department of Food and Agriculture is reminding people to observe the 7 active fruit fly quarantines focused on managing the Mediterranean fruit fly, Oriental fruit fly, Tau fly and Queensland fruit fly. The links listed below explain quarantine zone borders:

People within these zones must take in or procedure (i.e., cook, freeze or juice) their homegrown vegetables and fruits at the location of origin and stagnate them off their residential or commercial property. Leftover fruit and vegetables needs to be double-bagged in plastic bags and disposed of in the garbage dump bin– not garden compost or green waste.

Queensland fruit fly threatens California citrus, other crops

The Queensland fruit fly ( Bactrocera tryoni) quarantine is the very first of its kind in the U.S. Although QFF was initially seen in California in 1985, the current detection of 2 men set off the unmatched quarantine action by USDA’s Animal and Plant Health Inspection Service and CDFA.

Queensland fruit fly

The highly adaptable Queensland fruit fly has more than 170 host plants, making it a threat to a wide variety of California commodities. Photo: Pest and Diseases Image Library,; licensed under a Creative Commons Attribution-Noncommercial 3.0 License

” This insect has actually made a bad track record for damaging fruit production in Australia, where it is native,” stated Hamutahl Cohen, University of California Cooperative Extension entomology consultant for Ventura County. “Adult flies lay their eggs in fruit, and the eggs hatch into larvae that then feed upon the fruit, triggering damage.”

And while women of other fruit fly types live for just 2 or 3 months, QFF women are special because they can measure up to a year, according to Cohen.

” Once QFF populations settle, they’re challenging to handle since women can each lay up to 100 eggs each day,” Cohen stated.

In addition to being extremely versatile to a range of ecological conditions, QFF has more than 170 host plants– consisting of a wide variety of California products such as citrus, grape, strawberry, fig, avocado, apricot, peach, cherry, nectarine, plum, pear, apple, tomato and sweet pepper.

The hazard to citrus is specifically worrying, as Southern California growers continue to come to grips with the specter of dispersing huanglongbing (HLB) illness, which eliminates citrus trees. Cohen stated locals of citrus-growing areas can do their part to assist their next-door neighbors and regional economy by appreciating quarantine limitations.

” Growers are currently handling other intrusive types like Asian citrus psyllid [vector of HLB pathogen], so we as property owners require to avoid the spread of fruit flies to decrease the concern on them,” she described.

While a spike this year in the detections of numerous fruit fly types was most likely brought on by a host of elements, Cohen hypothesizes that increased post-pandemic travel is assisting to move the flies. And with vacation travel in complete swing, she stated it’s essential to practice “Don’t Pack a Pest” concepts.

” Invasive types typically hitchhike on veggies and fruits brought into California by tourists– that’s why we typically very first discover intrusive types in rural and metropolitan yards, and not on farms,” Cohen stated. “Travelers getting in the U.S. can go to to learn more about which items they can and can not revive with them.”

To report a thought invasion of fruit fly larvae in homegrown fruit and vegetables, call the CDFA insect hotline at 1-800-491-1899. Growers with issues and concerns are advised to call their regional farming commissioner’s workplace.

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