the container.
a funnel with a small hole will allow the flies to enter the jar, but they won’t be smart enough to fly back out. tape the funnel so that it keeps its shape. rest the funnel inside the mouth of the container so that the narrow side is pointing down. the tip of the funnel should not touch the bait. any piece of scrap paper or a page ripped from a magazine can easily be made into a paper funnel.
you can also make a funnel by using a toothpick to poke a hole in the bottom of a coffee filter.
set the trap in a fruit fly-infested area.
put it near 