California Expands Citrus Quarantine Into San Diego County
California expanded a citrus disease quarantine into San Diego County after HLB was detected in a residential tree near Murrieta.
California
California Eyes Limits on Fipronil Flea Products
California regulators are considering new limits on fipronil flea and tick products over human health and environmental concerns.
California Confirms 12th Equine West Nile Virus Case
California has confirmed its 12th equine West Nile virus case of 2026 after an unvaccinated mare in El Dorado County became ill.
USDA Gives California $4 Million to Fight Invasive Pest
USDA is sending California $4 million in emergency funding as officials intensify efforts against an invasive pest threatening vineyards.
California West Nile Activity Hits Five-Year High
California has reported 86 West Nile virus cases in 2026 as mosquito activity remains elevated, with new cases and positive mosquito samples reported in Los Angeles and Orange counties.
California Restaurant Pest Closures This Week: Sept. 1–7, 2026
California restaurant pest closures this week include two San Jose food facilities closed Sept. 1 after officials cited vermin contamination.