over a period of time. however, some other flies will likely still be eating whatever you put in the container. bring the trap inside of the house and place it near the sink. turn on the hot water in your sink. make sure that the stopper is down, so your sink fills up. when it is filled, place the container in the sink for ten minutes. this will drown the flies.
throw out the dead flies. remove the plastic wrap and throw it away. put the container in your trash can and bang the container against the inside of the can. do this until all the flies have been removed, along 