Bti (Bacillus thuringiensis israelensis) is a naturally-occurring soil bacterium that biodegrades quickly, leaving no residue. This product specifically targets mosquito and blackfly larvae. Bti presents minimal environmental risk and is not a chemical, but rather a biological control.
SCMAC’s Bti distribution program gives the homeowner the ability to control the larval mosquitoes on their property. Homeowners can pick up Bti, free of charge, from many of the township offices or at SCMAC’s main office at 211 Congress Avenue in Saginaw.
It is important that the homeowner understand the proper use of the Bti product in order to get the best results. Since Bti breaks down rapidly in the environment, it needs to be put in the mosquito habitat when the larvae are present. Just sprinkling it around the yard in hopes of treating future flooded areas does not work; the larvae must be present at the time of treatment. The mosquito larva is the least mobile, most concentrated, and accessible stage of the mosquito life cycle. By targeting larvae in stagnant water like: ditches, flooded fields, pools, and artificial containers, countless mosquitoes are eliminated before they reach the adult biting stage.
Each citizen is given a product label and instruction packet regarding the proper procedure for applying the Bti products at the time of product distribution.
The following Saginaw County townships and village offices were Bti distribution participants during the 2019 mosquito control season:
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