Fruit flies have been a big problem this year in many crops across California. Vince Arellano, Environmental Scientist, with the California Department of Food and Agriculture, presented about the California-quarantined oriental fruit fly (Bactrocera dorsalis, detected in Sacramento Co. on September 12, 2023) and its threat to vineyards. Damage occurs when the female lays her eggs inside fruit, which then hatch into maggots. Note that any sour rot occurring locally this vintage was caused by Drosophila fruit flies. Photo sourced from Joint FAO/IAEA Programme.
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- Presentation slides are available HERE
- Oriental Fruit Fly blog post is available HERE
- Oriental Fruit Fly Fact Sheet is available HERE
- Oriental Fruit Fly Pest Profile is available HERE
- Oriental Fruit Fly Host List is available HERE
- For general information on the oriental fruit fly, the University of Florida has a nice overview here (note that is has not been updated since 2016): entnemdept.ufl.edu/creatures/fruit/tropical/oriental_fruit_fly.htm
- View the CDFA’s current map of California quarantines to see if your property is inside or outside a quarantined region here: cdfa.maps.arcgis.com/apps/webappviewer/index.html?id=d76b6122de514808bf89dc4438d6fb09
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