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culex mosquito

Culex Species

Although 43 different species of mosquitoes can carry the West Nile Virus, Culex species are the primary carrier of the virus in Colorado.

Because of this, Boulder County Public Health focuses on this species for surveillance, control, and identification of relative risk for contracting West Nile virus within Boulder County.

Culex mosquitoes occur worldwide. They are the most common form of mosquito found in some major US cities.

The developmental cycle of culex mosquitoes is about two weeks in warm weather. Mosquitoes need standing water to breed so it’s important to make sure that your property is free from puddles.

To learn more about the Culex species of mosquito, please visit the Centers For Disease Control and Prevention (CDC) Entomology Division.

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