Signs
for Fruit Fly
The clearest sign is the flies themselves — small flies in erratic, hovering flight near ripening produce, drains, or kitchen trash, where a sudden indoor swarm usually points to a hidden source of fermenting matter nearby. Source: https://site.extension.uga.edu/madison/2021/08/shoo-fruit-flies-dont-bother-me/ Pale maggots in or on soft, damaged, or fermenting fruit confirm an active breeding source rather than a stray adult passing through. Source: https://ipm.ucanr.edu/PMG/GARDEN/FRUIT/PESTS/fruitflies.html