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 [...]
Increased Grasshopper Activity in Areas of Placer County
In the past week, West Placer, Roseville and Lincoln, have received an increase in reports of unusual grasshopper activity. The Placer County Agricultural Commissioner in collaboration the UC Urban and Community Integrated Pest Management Area Advisor, the UC Master Gardeners of Placer County, Placer Mosquito and Vector Control District, and the cities of Roseville and Lincoln, worked together to answer [...]
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