Why are there no fruit fly in the groc. stores?

Question

I never see them until i get home and they suddenly appear.

Answer 1

strange, maybe they are in you house..  usually fruit from grocers will never have fruit fly as they are covered in pesticides, which is why u should wash them just before u eat..

Answer 2

because in the middle of te night they letin hungry bats and they eat all the bugs there and then they catch em all thats y. lol