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Franklin County details mosquito-control strategy after heavy rains; officials stress larval treatment and targeted adult sprays
Summary
County mosquito specialist Jason Gates told commissioners that recent heavy rains have returned mosquito populations to early-summer levels and described the county's larval-control and adult-spray thresholds, use of BTI, and efforts to limit non-target impacts.
Jason Gates, Franklin County’s mosquito and tick-borne disease control specialist, told the Board of County Commissioners on July 9 that heavy recent rains have pushed mosquito populations “back to square one” and that the county’s first line of control is treating larvae.
Gates said, “Our main objective out there when we're trying to control mosquitoes, it's always at the larval state. We use a product called BTI.” He explained that BTI is a naturally occurring bacterium applied to standing water where larvae develop and recommended commercially available “dunks” for small private sources such as bird baths.
The program uses larval control when technicians find breeding sites they can treat directly. Gates said the county…
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