These Minnesotans serve as mosquito bait so you don't have to

Skaters do figure-eights on ice, but Kylie Rich-Vetsch does them in air — with a butterfly net. Each week, she joins the Monday Night Sweep Network, a crew of employees and volunteers from the Metropolitan Mosquito Control District (MMCD), as part of a metrowide fight against the bloodsuckers. Like others in the network, she goes out in her yard or neighborhood park at dusk on Mondays, about 45 minutes after sunset, when mosquitoes are most active. Rich-Vetsch remains still for 1 minute to let the mosquitoes be drawn to the...