Since it collects water, does green infrastructure also breed mosquitoes?


Mosquitoes are one of the most common concerns that citizens tend to raise about green infrastructure, but this concern is addressed by standard design requirements. Green infrastructure practices are designed to drain within 72 hours or less, which will prevent colonization of mosquitoes that take about 72 hours to develop into their adult stage. Rain barrels, which may contain standing water for longer, should be covered with a mosquito net or screen to prevent mosquitoes from laying their eggs. Owners of rain barrels may also use microbial insecticide (BTI) granules or “dunks,” an organic and highly effective way to prevent mosquitoes from multiplying.

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