I kept saucers under my patio pots to catch the watering runoff: when I looked closely at the stagnant water after a few days, I understood what I’d been breeding all summer

I kept saucers under my patio pots to catch the watering runoff: when I looked closely at the stagnant water after a few d...

Those innocent saucers catching water under your patio pots are mosquito nurseries. In less than a week, they harbor thousands of larvae ready to bite—and potentially spread dengue, Zika, and West Nile virus. Simple changes to your watering routine can stop the cycle.