The Norfolk County Mosquito Control District will be conducting helicopter applications of the biorational larvicide Bti (Bacillus thuringiensis israelensis) to control mosquito larvae. These applications will be conducted over specific large wetlands in the Towns of: Avon/ Bellingham/ Braintree/ Canton/ Dedham/ Dover/ Foxboro/ Franklin/ Holbrook Medfield/ Medway/ Millis/ Milton/ Needham/ Norfolk/ Norwood/ Plainville/ Quincy/ Randolph/ Sharon/ Stoughton/ Walpole/ Westwood/ Weymouth/ Wrentham
These applications will be conducted for 2 to 4 days, anytime between April 16, 2019, and April 26, 2019. As always, the weather in the spring is unpredictable. For this reason the District cannot pin down actual application dates with any more accuracy at this time.
The trade name of the granular formulations of Bti to be used is VectoBac GR (EPA Reg. #73049-486). For further information contact David A. Lawson, Director at (781) 762-3681 or the Boards of Health in the towns listed above. Information is also available on line at www.norfolkcountymosquito.org
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