SUFFOLK COUNTY
DEPARTMENT OF HEALTH SERVICES
NEWS RELEASE
FOR IMMEDIATE RELEASE:
May 18, 2025
CONTACT: Ryan DeFelippis
631-854-0095
The Suffolk County Department of Public Works’ Division of Vector Control plans to
treat parts of the following marshes by helicopter to control mosquito larvae. Should
weather conditions prevent completion of the work, it will be continued on the next
suitable day.
Time and date of the application: May 19 through May 22 from 7 a.m. to 6 p.m.
Method of application: Low altitude helicopter, granular pellet application
Name of Pesticide: VectoPrime FG [Bti (Bacillus thuringiensis israelensis) and Altosid
(Methoprene)] EPA# 73049-501
Approximate location(s): Marshes that will be treated are marked “Yes” Marshes marked as “Pending” will be rechecked and added, as required:
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.
No precautions are recommended to prepare for this spraying, as 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.
For current and future notices and/or further information:
Suffolk County Division of Vector Control 631-852-4270
Suffolkcountyny.gov/Departments/PublicWorks/VectorMosquitoControl
