County of Monmouth

For Immediate Release:
September 18, 2023

County will conduct mosquito control
operation in Manalapan on Sept. 19

MANALAPAN, NJ – The Monmouth County Mosquito Control Division will conduct a mosquito control operation to control flying adult mosquitoes on Tuesday, Sept. 19, from 4:30 a.m. to 6:30 a.m. in Manalapan, weather permitting, due to evidence of West Nile Virus in the area.

The treatment area is east of Tennent Road extending to Route 9, and north from Symmes Drive/Caitlin Way extending to Glendale Drive.

The Mosquito Control Division will be spraying “Duet Dual-Action” which contains two pesticides called Prallethrin and Sumithrin, and a synergistic compound called piperonyl butoxide which increases the effectiveness of the pesticides. The Division will be using truck-mounted, ultra-low-volume application equipment that applies the pesticide at a fraction of an ounce per acre.

“The Mosquito Control Division is committed to limiting flying adult mosquitoes and any illness they may carry,” said Commissioner Susan M. Kiley, liaison to the Monmouth County Health Department and Mosquito Control. “We are encouraging residents to help control the mosquito population by eliminating sources where they can breed, such as standing water.”

Residents can help “Fight the Bite” by using the Mosquito Control checklist to find and eliminate all the places where mosquitos breed around the home. The checklist and information about a courtesy inspection can be found at

Pyrethroids have been recommended for Ultra-Low-Volume (ULV) mosquito control in New Jersey by Rutgers, The State University of New Jersey. The U.S. Environmental Protection Agency’s (EPA) current evaluation considers pyrethroid-containing products to be slightly toxic with minimal potential risk to people when used properly as part of an integrated mosquito control program.

To learn more about the Monmouth County Mosquito Control Division, go to

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