Media Releases
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 [...]
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 [...]
Mosquitoes in Placer County Test Positive for St. Louis Encephalitis Virus
This is the first time since 2017 that mosquitoes in Placer County have tested positive for SLEV ROSEVILLE, Calif., September 13, 2023 – The Placer Mosquito and Vector Control District detected St. Louis Encephalitis virus (SLEV) in a mosquito sample near the Lincoln Airport. This is only the second time SLEV has ever been detected in a mosquito in Placer [...]