Media Releases
West Nile Virus Positive Mosquitoes Found in West Placer County Agricultural Area
Placer Mosquito urges residents to use EPA-registered repellent to prevent bites UNINCORPORATED PLACER COUNTY, Calif., June 18, 2025 – The Placer Mosquito and Vector Control District has confirmed the first mosquito sample to test positive for West Nile virus in Placer County this year. The mosquitoes were collected in the rural west Placer County area, west of the city of [...]
West Nile Virus Mosquitoes Detected In Sheridan
Placer Mosquito urges residents to protect themselves from mosquito bites with EPA-registered repellent SHERIDAN, Calif., July 11, 2024 – The Placer Mosquito and Vector Control District confirmed the first mosquito sample to test positive for West Nile virus in the county for 2024. The mosquitoes were collected in Sheridan, a rural area in northwest Placer County. The District traps and [...]
Invasive Aedes aegypti Mosquitoes Detected in Roseville and Rocklin
ROCKLIN, June 5, 2024 - The Placer Mosquito and Vector Control District have detected invasive Aedes aegypti mosquitoes in the Parker Whitney neighborhood of Rocklin near Johnson-Springview Park. This detection marks the second location where invasive Aedes have been found in 2024. Invasive mosquitoes were found in the Foothills Junction neighborhood of Roseville on Friday, May 31, 2024. The map below identifies the detection area for [...]
Unmanned Aircraft Systems Revolutionizing Mosquito Control Efforts by Joel Buettner
Joel Buettner March 2024 Wing Beats Drone Article
Record Public Service Requests for Anopheles Mosquitoes
In the past week, we've received a record number of public service requests about mosquito activity. We appreciate our residents reporting unusually high mosquito activity in the county through our website and by phone. Our administrative and field staff have been working hard to respond quickly to your reports by returning calls and emails and conducting property inspections. Anopheles freeborni, the rice field [...]