Where do fruit flies come from!?

Question

how do they just magically appear where ever theres fruit i just dont get it..

Answer 1

The flies lay eggs on the skins of fruits in the fields.

Eggs ... larvae, (almost microscopic in the skins),

... fruit flies in your kitchen.

(Bananas are a big contributor.)

Answer 2

Fruitsylvania and San Franbanana.

Answer 3

good question