PLACER MOSQUITO &
VECTOR CONTROL UPDATE
Meagan
Luevano
, Public Information Officer
DISTRICT MISSION
To effectively and efficiently manage
the risks from vectors and vector-borne disease in order to protect public health and quality of life in Placer County
WHO WE SERVE
JULY 2023 PUBLIC SERVICE REQUESTS
WEST NILE VIRUS
UPDATE
• Detected on June 21 in a mosquito
sample and dead bird in West Park
• As of August 18, 23 positive dead
birds and 142 mosquito samples in
Placer County
• Record numbers in Placer County
since 2018
• Control treatments being implemented
• Asking public to submit dead
bird reports to westnile.ca.gov
HOW TO PROTECT YOURSELF FROM WEST
NILE VIRUS
INVASIVE AEDES
UPDATE
2023
• Aedes aegypti female mosquito detected in Cherry Glen neighborhood of Roseville on June 13
• Additional mosquitoes detected in Theiles Manor
• Invasive Aedes are not native to California and able to transmit Zika, dengue, chikungunya and yellow fever
• They aggressively bite during the day and lay their eggs in small containers of water
Detection History in Placer County
• August 29, 2019 – First invasive Aedes aegypti mosquito detected in south Placer County
• Summer 2020 and 2021 – No invasive detections
• July 14, 2022 – Aedes aegypti mosquito found in Granite Bay
• August 3, 2022 - More Aedes aegypti mosquitoes and
larvae detected in Cresthaven, Theiles Manor, Cherry
Glen and Hillcrest neighborhoods of Roseville
HOW TO PROTECT YOURSELF FROM
INVASIVE AEDES
Dump &
draining
standing
water
completely
Look for
cryptic
standing
water
sources
Call our
District for
concerns or
questions
SIGN UP FOR TREATMENT UPDATES
placermosquito.org/treatment-updates
THE BUZZ