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How to Manage Pests

Mosquitoes

More than 50 species of mosquitoes are found in California. Their habitats range from deserts at or below sea level, to mountain meadows at elevations of 10,000 feet or more.

Many species of California mosquitoes are relatively uncommon and seldom pose a threat to the health or well-being of California residents. However, several species readily attack people, and some species can transmit microbial organisms that cause human diseases such as West Nile Virus, malaria, and encephalitis. The mosquitoes of major concern in California belong to the genera Culex, Aedes, and Anopheles. Other mosquitoes may transmit diseases to livestock or pets.

Mosquitoes are best managed on an areawide basis by public agencies organized specifically for mosquito control. In California, more than 50 mosquito and vector control districts provide this service. For assistance, look under the county government section of your telephone directory for mosquito abatement or vector control.

For the general public:

• Pest Notes: Mosquitoes, ANR Publ. 7451
• Managing Mosquitoes on the Farm (PDF* 975K), ANR Publ. 8158

For professionals:

• Managing Mosquitoes in Surface-Flow Constructed Treatment Wetlands, ANR Publ. 8117
• Managing Mosquitoes in Stormwater Treatment Devices, ANR Publ. 8125

• West Nile Virus and related mosquito information and links - California Surveillance Information Center, CA Department of Health Services

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