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Asian Tiger Mosquito found in Shasta County

During the Shasta Mosquito and Vector Control District’s (SMVCD) response for the initial detection of the invasive mosquito Aedes aegypti, commonly known as the Yellow Fever Mosquito, staff said it detected and identified another invasive mosquito within its boundaries; Aedes albopictus, also known as the Asian Tiger Mosquito.

Posted: Aug 26, 2020 1:23 PM

SHASTA COUNTY, Calif. – The invasive Asian tiger mosquito, Aedes albopictus, has been identified in Shasta County, for the first time, according to the Shasta Mosquito and Vector Control District’s (SMVCD).

The District said during its response for the initial detection of the invasive mosquito Aedes aegypti, known as the Yellow Fever Mosquito, staff said it detected and identified another invasive mosquito within its boundaries; Aedes albopictus, also known as the Asian Tiger Mosquito.

A collection of larvae from a standing water source in the same general area as the original invasive Aedes discovery was positively identified as Aedes albopictus. The Aedes albopictus, commonly known as the Asian Tiger Mosquito, was found near a central Shasta County neighborhood west of Highway 273/Market St and north of Lake Boulevard.

RELATED: Yellow fever mosquito found near central Shasta County neighborhood

“The concern with this find is the continuing expansion of the initial detection perimeter. Our response to Aedes albopictus is not different than our response to Aedes aegypti; however, the more we look, unfortunately, the more we find,” said Peter Bonkrude, District Manager. “We have now found several new areas near the original invasive Aedes detection that are also positive for Aedes aegypti and the detection of Aedes albopictus gives us broader concern. Our goal is still to determine the extent of the infestation for both species and to limit their spread.”

SMVCD said it utilizes a science-based, data-driven approach to mosquito control. This Integrated Vector Management approach will include immature surveillance and control, like door to door inspections, as well as adult surveillance and control, which will include ultra-low volume spraying, barrier treatments and a variety of live mosquito trapping.

The Aedes aegypti and Aedes albopictus mosquitoes have been detected previously in other areas of California, but never in Shasta County, according to the District.

Until now, the furthest north detection of Aedes albopictus in California is Los Angeles County. Aedes albopictus and Aedes aegypti have the potential to transmit viruses such as chikungunya, dengue, yellow fever, and Zika, that are not known to be transmitted by our native mosquitoes.

For more information about SMVCD’s services, invasive mosquitoes, West Nile virus, or new emerging mosquito-borne diseases, contact the Shasta Mosquito and Vector Control District at 530-365-3768 or Click Here

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