Could be fruit flies...

leave a glass of apple juice out over night... if they go for the apple juice chances are they're fruit flies

fruit flies are harmless.... although kinda annoying..
BobBong Reviewed by BobBong on . Are these FLIES will they harm my plants There are little tiny flies ive killed about 10 bout each day there is more there like little little tiny flies Will these harm my plants. Rating: 5