The East Middlesex Mosquito Control Project will be conducting a helicopter application of the biological larvicide, Bti (Bacillus thuringiensis var. israelensis), to control mosquito larvae in Bedford.
Wetlands currently being evaluated for this application are located near Davis Rd./Winterberry Way, Old Stagecoach Rd. and at Hartwell Town Forest. One helicopter application will take place today, April 21, 2022 and depending on how much work they are able to finish, the work may spill over into Friday, April 22, 2022.
The Bti will be applied in a granular formulation by a helicopter flying low directly over the wetlands. Residents do not need to take any special precautions for this application. Bti is a natural occurring bacterium found in soil, and is classified by the EPA as relatively non-toxic. Bti is target specific and only affects mosquito larvae and a few closely related aquatic insects in the fly family. Bti breaks down quickly in the environment. The product to be used is VectoBac GS (EPA Registration #73049-10).
For further information contact the East Middlesex Mosquito Control Project at 781-899-5730.
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