text: how long does a fly live?   the adults fly live from half a month to a month in the wild, or longer in benign laboratory conditions.♥  >>check this out: researchers at the university of connecticut health center have found that the life span of fruit flies was extended from an average of 37 days to 70 days when a gene was modified on a single chromosome. some flies in the study lived 110 days.http://www.cbsnews.com/stories/2000/12/15/tech/main257481.shtml