Media Releases
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 [...]
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 [...]
Placer County Confirms First West Nile Virus Death Since 2018
Placer County public health officials confirmed the first West Nile virus death this season, a Lincoln man over age 65. This is the first West Nile virus-related death in the county since 2018. There have been 286 confirmed human cases and 10 West Nile virus-related deaths reported in California this year. There are 6 confirmed human cases of West Nile [...]
Invasive Aedes aegypti Mosquitoes Found in Stanford Neighborhood of Roseville
ROSEVILLE, October 13, 2023 - The Placer Mosquito and Vector Control District detected invasive Aedes aegypti mosquitoes in a new area of Roseville this week. Aedes aegypti mosquitoes, commonly known as the yellow fever mosquitoes, were found in the Stanford neighborhood of Roseville. Aedes aegypti mosquitoes have been spreading throughout California since 2013. This mosquito is small with black and white [...]