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Peach Fruit Fly treatments taking place in parts of eastern Menlo Park
Posted on July 15, 2019 at 6:13 pm by Peter Ibrahim
On July 9, 2019, the
California Department of Food and Agriculture (CDFA)
issued a notice in our area about
Peach Fruit Flies (Bactrocera zonata)
- an invasive fruit fly that if established, could result in adverse impacts on native plants and produce.
The Peach Fruit Fly can damage more than 50 types of fruits and vegetables making the produce unfit for consumption. While fruit flies and other invasive species that threaten California’s crops and natural environment are sometimes detected in agricultural areas, the vast majority are found in urban and suburban communities.
CDFA detected the insects in Palo Alto and identified a treatment area that extends into parts of eastern Menlo Park and East Palo Alto. The portions of Menlo Park affected will generally be in the area east of Menalto Avenue between San Francisquito Creek and O’Keefe Street, and east of Willow Road between O’Keefe Street and U.S. 101.
The eradication treatments began Thursday, July 11, with crews placing “bait stations” amounting to a splatter of a waxy, time-released biological solution. The photo below shows a “bait station” example that could be visible after treatment.
The active ingredient is Spinosad, is a natural product of a type of soil bacteria, which combines the effectiveness of synthetic products with the benefits of a biological insect pest control. View the Frequently Asked Questions about Spinosad (
Currently, the CDFA has no plans to treat on private residences. The “bait stations” will only be placed on street trees, light poles and similar elevated and publicly-inaccessible surfaces, in the right of way.
For more information, please visit the
CFDA Peach Fruit Fly webpage
or call the
San Mateo County Agriculture Commissioner
’s office at 650-363-4700.
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