Invasive Aedes Surveillance Program


Finding Aedes aegypti Mosquitoes

For more details on invasive Aedes aegypti surveillance in San Mateo County, please visit our Aedes aegypti surveillance data section.

How does the District find something as small as an Aedes aegypti mosquito in an entire county?

District uses three kinds of traps to detect invasive mosquitoes in San Mateo County. Two of these traps attract female mosquitoes looking for a place to lay their eggs, while the third attracts female mosquitoes seeking a blood meal.