Stopping mosquitoes no longer has to mean spraying chemicals
The BG-Mosquitaire outdoor trap from German manufacturer Biogents mimics a human being so convincingly that hungry mosquitoes are lured away from people and drawn into a suction funnel where they dehydrate. The company reports bite reductions of up to 87 % in Italian field trials, and similar results from other long-term studies.
The device combines several scientifically proven cues: a patented counter-flow air stream, high-contrast black-and-white housing, and the BG-Sweetscent lure – an artificial skin odour sachet that works for two months at a time. Home-owners can add CO₂ to enlarge the catch spectrum, but it is optional. One trap protects up to 300 m² and needs only 5 W of power, making continuous, insecticide-free operation feasible all summer.
For best results the trap should stand at least five metres from where people sit, in a shaded, humid spot near vegetation and out of direct wind; moving it a few times helps locate the local mosquito “highways”.
Independent trials in Florida, California and Louisiana found that the BG-Mosquitaire, with or without CO₂, caught Aedes albopictus and Aedes aegypti just as effectively as the professional BG-Sentinel used by public-health authorities, and up to seven times more than propane-powered competitors.
Broader evaluations compiled by Biogents and external researchers show the same technology can drive local mosquito populations to near-zero when traps are deployed at scale, offering a sustainable alternative to fogging or coils that also spares butterflies and bees.
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