When Not To Treat
for Fruit Fly
A few stray flies with no maggots usually means no established indoor source, so there is nothing to treat — clear the overripe fruit or fermenting residue and they leave on their own. Source: https://site.extension.uga.edu/madison/2021/08/shoo-fruit-flies-dont-bother-me/ Because UC IPM's approach is sanitation and source removal, insecticide is generally unnecessary for routine household activity. Source: https://ipm.ucanr.edu/PMG/GARDEN/FRUIT/PESTS/fruitflies.html