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Aerial Mosquito Larvae Treatment Notification

Due to the recent extreme rain events and moon tides, many wetlands in Suffolk County are now flooded and breeding mosquitoes great numbers. 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, vector control will treat the marshes on the next suitable day.

Time and date of the application: July 19 through July 21 from 6:00 a.m. - 6:00 p.m.

Method of application: Low altitude helicopter, granular 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 Wednesday and may be added, as required:

Town of Babylon Treat? Town of Brookhaven (cont.) Treat?
Sore Thumb Yes Fireplace Neck Yes
Oak Beach Yes Wertheim NWR  
West Gilgo Yes Manor of St. George  
Gilgo Yes Smith Point Yes
Cedar Beach Pending Johns Neck Creek Yes
Cedar Beach Golf Course Yes Mastic Beach Yes
Oak Island Yes Moriches - Crystal Brook Yes
Ox/Helicopter Island   Town of Southampton  
Gilgo Island   Stokes Poges Pending
Town of Islip   Jagger Lane Yes
Robert Moses CG Station Yes Aqacuck Point Yes
Clam Pond Yes Moneybogue Bay Yes
Captree   Westhampton Dunes Pending
Gardiner Park Yes Dune Rd (Overton) Pending
Admiralty/Isbrandtsen Yes Meadow Lane Yes
Scully Yes North Haven Pending
Seatuck NWR   Iron Point Yes
Islip Preserve Yes North Sea Yes
Quintuck Creek Yes Town of East Hampton  
Heckscher State Park Yes Cedar Pt Co Park Yes
Timber Point   Napeague Yes
Idle Hour Yes Beach Hampton Yes
Pepperidge Hall Yes Accabonac Harbor Pending
Ludlows Creek Yes Town of East Hampton  
West Oak Recreation Yes Indian Island Yes
West Sayville GC Pending Overlook - Aquebogue  
Namkee Creek Pending Crescent Duck Farm Yes
Town of Brookhaven   Aquebogue Farm Yes
Sayville YC Pending Millar Farm Yes
Stillman Creek Yes Union Ave Yes
Grove Ave Yes Pier Avenue Yes
Pine Neck Ave. (Swan River) Yes Town of Southold  
Roe Ave. (Mud Creek) Yes New Suffolk Yes
Abets Creek Yes Great Hog Neck Yes
Hedges Creek Yes Kerwin Blvd. Yes
Lyman Marsh Yes Pipes Neck Creek Yes
Bellport Bay Yes Pipes Cove Yes
Beaverdam Creek Yes Orient Beach St Park  

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


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Categories: Health, Public Works

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