Prevention
for Drain Fly
Keep drains from growing a food supply. Fit sink and floor drains with baskets to catch organic bits and empty them often; clear slow drains before slime accumulates. Source: https://wpcdn.web.wsu.edu/wp-puyallup/uploads/sites/415/2014/12/PNW_PPDrainFlies.pdf Clean and empty garbage containers regularly so they don't become a second breeding site. Source: https://cfaes.osu.edu/fact-sheet/drain-flies-moth-flies