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City of Antioch Invasive Aedes aegypti Update

District technicians are currently going door-to-door in the city of Antioch in response to Aedes aegypti mosquitoes. The District found the invasive mosquitoes also known as the Yellow Fever mosquito in Antioch at the end of September 2024.  As a public health agency, the District is taking this mosquito very seriously because this non-native mosquito has the ability to transmit the viruses that can cause Zika, dengue fever, chikungunya, and yellow fever.

A close-up of an Aedes aegypti mosquito on a plain surface.
The Aedes aegypti mosquito.

District technicians are inspecting front and backyards to control these mosquitoes. During the door-to-door visits, District employees search for evidence including any amount of standing water that can produce mosquitoes. The District's residential public health inspections are provided at no additional charge because they are paid for through property taxes and benefit assessments. Antioch residents who are not home at the time of the District's visit, and/or receive a notice from the District should call the District at (925) 685-9301 to set up an appointment or click here to fill out the District’s Service Request form to set up an inspection appointment. 

Four scenes of people conducting door-to-door mosquito inspections.
District technicians are currently conducting door-to-door front and backyard inspections in search of the dangerous invasive mosquito, the Aedes aegypti, in the city of Antioch.

The inspections are currently taking place in the neighborhood bordered on the north by Highway 4, to the east by Deer Valley Road, to the south by Bluerock Drive, and to the west by Lone Tree Way. This area may expand, as the District finds additional evidence of Aedes aegypti mosquitoes outside of these borders.

Aerial view of a dense suburban area with roads, houses, and green spaces.

While the District is working to control these mosquitoes, we also need help from Contra Costa County residents to reduce the risk of Aedes aegypti on their own properties:

In addition to the door-to-door inspections the District is conducting, the District also has a new piece of equipment, called an A1 Super Duty, which the District is using to control mosquitoes while they are young and still developing in water before they become adults capable of transmitting viruses:

For the latest information on when the District plans to conduct mosquito control, sign up for the District’s Notifications here. 

News release and adult mosquito control notification for mosquito due to invasive species detection in Contra Costa County, detailing area treatments and contact info.

To learn more about the invasive mosquito species in California, click here.