Colusa Mosquito Abatement District

Welcome to Colusa Mosquito Abatement District

The Colusa Mosquito Abatement District was formed in 1958. The District covers 160 square miles, with 20 square miles located in Sutter County. There are three full time employees, and five seasonal employees that provide control services within the District. Work is year round, along with the control program…

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West Nile Virus Dead Bird Hotline

The West Nile Virus dead Bird Hotline runs from mid April to mid October. The Hotline hours are Monday through Friday from 8:00am to 4:30pm. If you have any dead birds to report, Hotline staff will…

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Mosquito Fish

The Colusa Mosquito Abatement District will be able to provide mosquito fish to residents that reside within the district's boundaries only.

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What's Bugging You Right Now?

Two mosquitoes that will start to be seen during our mid-spring to late summer seasons are the Culex pipien and Anopheles freeborni mosquitoes.

Truck Mounted Mosquito Fogging Begins June 23th, 2025

The Colusa Mosquito Abatement District will begin mosquito control measures in and around the town of Colusa on Monday June 23th, 2025 and continue until the first week in November.

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Colusa Mosquito Abatement District

Welcome to Colusa Mosquito Abatement District

Mission Statement

District Information

Public Information

Featured

West Nile Virus Dead Bird Hotline

Mosquito Fish

What's Bugging You Right Now?

Truck Mounted Mosquito Fogging Begins June 23th, 2025

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Board Meetings

Board Meeting