Creating a funnel is essential for ensuring flies can enter the trap but cannot escape. To make a funnel, I typically cut the ...

Place the trap in an area where fruit flies are most active ... to create a pool at the bottom. If using plastic wrap, cover the opening of the bottle and secure it with a rubber band.

Plastic bottle fly trap A trap made from any discarded plastic cool drink bottle is easy to make and is an effective trap for houseflies which can be reused as needed. In contrast to the fly ...