Monthly mosquito larvicide application done by hand crews
Last updated 8/12/2021 at 4:13pm

Protecting against mosquitoes has required more help from the public in recent years because of the appearance of a number of types of invasive Aedes mosquitoes. Village News/Courtesy photo
Gig Conaughton
County of San Diego Communications Office
County Vector Control crews will conduct their regular mosquito-fighting larvicide applications this week on dozens of local waterways – but by hand, rather than from the air, because the helicopter used is down for unscheduled maintenance.
The County has used helicopters to drop batches of solid, granular larvicide on nearly 50 rivers, streams, ponds and other waterways in summer months since the early 2000s, including Lake Rancho Viejo and San Luis Rey River. The program keeps mosquito populations down and protects people from m...
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