Monthly mosquito larvicide application done by hand crews

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 mosquito...