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Aerial Mosquito Larvae Treatment of Marshes

Update: New Marshes Added

  • 12 August 2025
  • Author: Chabon, Aimee
  • Number of views: 136
  • 0 Comments

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 12, 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

 

Gilgo

 

Johns Neck Creek

Yes

Cedar Beach

 

Mastic Beach

Yes

Cedar Beach Golf Course

 

Moriches – Crystal Brook

 

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

Yes

Apaucuck Point

 

Clam Pond Saltaire

 

Moniebogue Bay

 

Captree Island

 

Westhampton Dunes

 

Gardiner Park

 

Dune Rd (Overton)

Completed

Admiralty/Isbrandtsen

 

Meadow Lane

 

Scully

 

North Haven

 

Seatuck NWR

 

Iron Point

 

Islip Preserve

 

North Sea

Completed

Quintuck Creek

 

Town of East Hampton

 

Heckscher State Park

Pending

Cedar Pt SC Park

Completed

Timber Point

 

Napeague

Completed

Idle Hour

 

Beach Hampton

Completed

Pepperidge Hall

Yes

Accabonac Harbor

 

Ludlows Creek

Yes

Town of Riverhead

 

West Oak Recreation

Yes

Indian Island

Pending

West Sayville GC

 

Overlook - Aquebogue

 

Namkee Creek

 

Crescent Duck Farm

Pending

Town of Brookhaven

 

Aquebogue Farm

 

Sayville YC

 

Millar Farm

 

Stillman Creek

 

Union Ave

 

Grove Ave

 

Pier Avenue

 

Pine Neck Ave. (Swan River)

 

Town of Southold

 

Roe Ave. (Mud Creek)

Yes

New Suffolk

 

Abets Creek

Yes

Great Hog Neck

Yes

Hedges Creek

Yes

Kerwin Blvd.

 

Lyman Marsh

Yes

Pipes Neck Creek

 

Bellport Bay

Yes

Pipes Cove

 

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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