The Greater Los Angeles County Vector Control District said Tuesday it has identified a high level of activity by mosquitoes infected with West Nile virus in Studio city and announced a plan to fight back.

A truck-mounted mosquito control treatment is scheduled for Thursday between 2 a.m. and 5 a.m. to decrease the mosquito population and lower the risk of potential disease transmission.

The operation will take place between Colfax and Tujunga, and between Moorpark and the Los Angeles River, with GLACVCD personnel applying an insecticide containing Bacillus thuringiensis israelensis — a naturally occurring bacterium found in soils. It contains spores that produce proteins that specifically target and only affect the larvae of mosquitoes, according to a district statement. The product poses no toxicity threat to people and pets and is certified for treatment of organic crops.

The material is suspended in water, so the application will not harm the finishes on cars or homes, it said.

The district also issued the following recommendations to reduce mosquito populations on residential properties:

– Eliminate standing water in clogged rain gutters, rain barrels, discarded tires, buckets, watering troughs, or anything that holds water for more than a week;

– Ensure that swimming pools, spas, and ponds are properly maintained;

– Change the water in pet dishes, birdbaths, and other small containers weekly;

– Request mosquitofish from your local vector control district for placement in ornamental ponds;

– Report neglected (green) swimming pools in your neighborhood to your vector control district;

– Close or repair all unscreened doors and windows to prevent mosquitoes from entering a home.

Follow these tips to prevent mosquito bites:

– Apply mosquito repellent to exposed skin before going outdoors and reapply as recommended on the label.

– Wear insect repellent containing CDC and EPA approved active ingredients: DEET, Picaridin, IR3535, or oil of lemon eucalyptus;

– Wear light-colored, long-sleeved shirts and long pants. nce levels and prevent human infection associated with mosquito-transmitted diseases.

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