Homepage San Mateo County Mosquito and Vector Control District

Truck-mounted mosquito control treatment scheduled for early morning of Sunday, October 18 in parts of Redwood City and North Fair Oaks

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Invasive Aedes aegypti mosquitoes found in San Carlos

The District has recently detected invasive Aedes aegypti mosquitoes in the White Oaks neighborhood of San Carlos

Aedes aegypti Detections

Areas where invasive Aedes aegypti mosquitoes have been found in San Mateo County.

Current West Nile Virus Information for San Mateo County

Culex mosquitoes are able to carry and spread West Nile virus. Our staff collect mosquitoes from around the County using traps set overnight and baited with carbon dioxide and scent lures. Mosquitoes are grouped into batches called "pools" for testing. They are tested using a triplex PCR test.

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San Mateo County Mosquito and Vector Control District uses an integrated pest management strategy to safeguard the health and comfort of the residents of San Mateo County. Our service area includes the entirety of San Mateo County.

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A gray Nissan Titan pickup truck with off-road tires and a blue equipment mounted in the bed, parked in a sunny area.

Truck-mounted mosquito control treatment scheduled for early morning of Sunday, October 18 in parts of Redwood City and North Fair Oaks

Versión en español a continuación

Mosquito on a white background. The mosquito has an abdomen full of dark red blood. The mosquito is mainly black, with some white stripes on its legs.

Aedes aegypti Detections

Areas where invasive Aedes aegypti mosquitoes have been found in San Mateo County.

A person outdoors holding a blue and white device with a net, a kind of mosquito trap.

Current West Nile Virus Information for San Mateo County

Culex mosquitoes are able to carry and spread West Nile virus. Our staff collect mosquitoes from around the County using traps set overnight and baited with carbon dioxide and scent lures. Mosquitoes…

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Board Finance Committee Meeting 5:30pm

Board Meeting - 6pm

Board Finance Committee Meeting 5:30pm

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