The first aerial larvicide applications of the 2019 season will begin this morning and continue through the rest of the week, the Suffolk County health department announced in a news release yesterday afternoon.
The county’s vector control division plans to spray larvicides on parts of more than 40 marshes, including several in Riverhead and Southold towns, to control mosquito larvae, according to the release.
Spraying will take place from 6 a.m. through 8 p.m. from May 21 through May 24.
Vector control division helicopters will conduct low altitude, liquid applications of VectoBac12AS (Bti – Bacillus thuringiensis israelensis) EPA Reg. #73049-38 and Altosid Liquid Larvicide Concentrate (Methoprene) EPA Reg. #2724-446, according to the notice.
Marshes to be sprayed in Riverhead are Indian Island, Overlook in Aquebogue, Aquebogue farm and Millar farm.
Marshes to be sprayed in Southold are Great Hog Neck, Kerwin Blvd., Pipes Neck Creek and Pipes Cove.
The products used by Vector Control are registered by the U.S. Environmental Protection Agency and the New York State Department of Environmental Conservation and are applied in accordance with the required state and federal permits, the health department said.
Health officials said no precautions are required to prepare for this spraying, because “the helicopter will be flying at a very low level over marsh areas and taking other precautions to control drift into inhabited areas.”
Human exposure from this operation is unlikely and the products involved have no significant human toxicity, the health department said.
See the 2019 vector control plan for more information.
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