Media Releases
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 [...]
Record Amounts of Rainfall Create Perfect Conditions for Mosquitoes
Mosquito Awareness Week, observed April 16 - 22, 2023, educates California residents about mosquitoes and how to help prevent the spread of mosquito-transmitted diseases SACRAMENTO, APRIL 12, 2023 -- One of the wettest years in history has left standing water across the state, creating perfect conditions for mosquitoes to develop. Stagnant water creates havens for disease-spreading mosquitoes, and mosquito experts [...]
Placer County Officials Encourage Mosquito Bite Prevention in Wake of West Nile Cases
Placer County’s public health officer, along with the Placer Mosquito and Vector Control District, are reminding residents to continue to take precautions to avoid mosquito bites, after two recent human cases of neuroinvasive West Nile virus.While West Nile activity typically begins in early summer, it can continue to peak into the fall. “While most people with West Nile may not [...]
Three More Invasive Aedes Mosquitoes Detected in Placer County
ROSEVILLE, Calif., August 4, 2022 – The Placer Mosquito and Vector Control District detected three more invasive (non-native) species of mosquito yesterday Wednesday August 3. Two female and one male Aedes aegypti, commonly known as the yellow fever mosquito, were found in the Thieles Manor and Cresthaven neighborhoods of Roseville. “These detections mean that invasive mosquitoes are potentially more widespread than previously [...]