Mosquito Spraying Planned for West Bedford on Tuesday Night, May 23

Submitted by the Bedford Board of Health

Mosquito control truck – Image (c) FMC Corp.

Due to large mosquito populations that have emerged primarily from the Concord River flood plain, the East Middlesex Mosquito Control Project will be controlling mosquitoes in neighborhoods of West Bedford using truck mounted aerosol sprayers on Tuesday, May 23 between dusk and 11:00 PM.  Spraying is scheduled for neighborhoods located in the vicinity of Concord Rd., Davis Rd., Carlisle Rd. and North Rd.

The Project sprays for mosquitoes using the pesticide, Sumithrin, in a product called Anvil.  Sumithrin is a pyrethroid that is classified as slightly toxic by the EPA.  Mosquito control applications of Sumithrin do not pose a significant risk to people or their pets due to the low toxicity of Sumithrin and the small amount used to control mosquitoes.  As with any pesticide, people should minimize exposure.  If residents see a spray truck approaching, they are advised to go indoors for a couple of minutes while the spray dissipates.  Residents are also advised to close windows facing the street.  Beekeepers do not need to take any special precautions since spraying begins after dusk.

Information regarding the schedule and areas to be sprayed is available via a recorded message at 781-893-5759 and at the Project’s website at  If residents have any questions related to the spraying or any questions on mosquitoes, call the East Middlesex Mosquito Control Project at 781-899-5730.


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