In compliance with Section 9.10 of the New Jersey Pesticide Control Code (N.J.A.C. Title 7 Chapter 30), the Bergen County Mosquito Control Division (220 East Ridgewood Ave, Paramus New Jersey 07652) will be applying insecticides to reduce adult mosquito populations on an area-wide basis as needed throughout Bergen County during the period from April 30, 2024-October 31, 2024. The insecticides used for adult mosquito control include:


  • DUET/DUET HD (active ingredients: prallethrin, sumithrin, PBO)
  • Zenivex (active ingredient: etofenprox)
  • Fyfanon (active ingredient: malathion)
  • Merus (active ingredient: pyrethrins)


These may be applied using truckmounted Ultra Low Volume (ULV) equipment or by helicopter. All products will be applied according to product labeling and NJAES recommendations. Bergen County Mosquito Control Division will apply a selective insecticide Vectobac 12AS (active ingredient: Bacillus thuringiensis israelensis) by hand to portions of the Hohokus Brook and Saddle River to reduce biting black flies in their larval stage. Larval black fly control will be performed from April 1,2024 to September 30, 2024.  


Upon request, the Bergen County Mosquito Control shall provide a resident with notification at least 12 hours prior to the application, except for Quarantine and Disease Vector Control only, when conditions necessitate pesticide applications sooner than that time. To receive updates about time and location of applications, please call 201-225-7000


To seek further information about Bergen County Mosquito Control Division activities, please contact Warren Staudinger, Division Director (NJCPA License #58053A), or Matthew Bickerton, Entomologist (NJCPA License #52099B) 201-634-2880 or 201-634-2881, or visit the website at


In case of any pesticide emergency, please contact the New Jersey Poison Control Center at 

1-800-222-1222. For routine pesticide-related health inquiries, contact the National Pesticide Information Center at 1-800-858-7378. For information on pesticide regulations, pesticide complaints, and health referrals contact the New Jersey Pesticide Control Program at 1-609-984-6507.


 Additional information can be found under the Teaneck Health Department's tab.


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