Media Releases

West Nile Virus Mosquitoes Detected In Sheridan

July 11, 2024|

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

June 6, 2024|

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 [...]

District News Emails

Invasive Aedes aegypti Mosquitoes Detected in Roseville and Rocklin

June 5, 2024|

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 [...]

Record Public Service Requests for Anopheles Mosquitoes

January 31, 2024|

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 [...]

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