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Aerial Mosquito Larvae Treatment of Marshes

  • 18 August 2025
  • Author: Desena, Lauren
  • Number of views: 112
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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: August 18 – 20, 2025 7:00 a.m. - 7:00 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 pending are being rechecked today may be added, as required: 

Town of Babylon

Treat?

Town of Brookhaven (cont.)

Treat?

Sore Thumb

 

Fireplace Neck

Yes

Oak Beach

 

Wertheim NWR

Pending

West Gilgo

Yes

Smith Point

Yes

Gilgo

Yes

Johns Neck Creek

Yes

Cedar Beach

 

Mastic Beach

Yes

Cedar Beach Golf Course

 

Moriches – Crystal Brook

Yes

Oak Island

 

Point O’Woods Fire Island

Pending

Ox/Helicopter Island

 

Town of Southampton

 

Gilgo Island

 

Stokes Poges

 

Town of Islip

 

Jagger Lane

 

Robert Moses CG Station

 

Apaucuck Point

 

Clam Pond Saltaire

 

Moniebogue Bay

 

Captree Island

 

Westhampton Dunes

 

Gardiner Park

Yes

Dune Rd (Overton)

Yes

Admiralty/Isbrandtsen

 

Meadow Lane

 

Scully

 

North Haven

 

Seatuck NWR

 

Iron Point

 

Islip Preserve

Yes

North Sea

Yes

Quintuck Creek

Yes

Town of East Hampton

 

Heckscher State Park

Yes

Cedar Pt SC Park

Yes

Timber Point

 

Napeague

Yes

Idle Hour

 

Beach Hampton

Yes

Pepperidge Hall

Yes

Accabonac Harbor

 

Ludlows Creek

Yes

Town of Riverhead

 

West Oak Recreation

Yes

Indian Island

Yes

West Sayville GC

 

Overlook - Aquebogue

Yes

Namkee Creek

 

Crescent Duck Farm

Yes

Town of Brookhaven

 

Aquebogue Farm

 

Sayville YC

Yes

Millar Farm

 

Stillman Creek

Yes

Union Ave

 

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

 

 

 

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:

 

suffolkcountyny.gov
Facebook.com/SuffolkCountyHealthServices
Twitter.com/SuffolkCoHealth

 

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