Protecting ourselves from backyard mosquito bites may come down to leaving the vacuuming for later, a study from York University shows. Rather than vacuuming the grass clippings out of catch basins before adding treatments to control mosquitoes, municipalities should leave the organic waste in place, the research found. "Catch basins are a permanent source of mosquitoes on every street. By putting S-methoprene in cleaned catch basins we saw an average of 20 per cent of the mosquito larvae make it to the adult stage over the duration of the study...
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