Bag Of Water Flies. An article on HowStuffWorks Science notes. To learn how to keep flies off your picnic table click here To learn how to keep ants off your picnic table click here. I do not care how it works just glad it works. In the book the character added a tablespoon of oil.
One is that flies are frightened away by their own reflection or by the reflecting foil or pennies. The water bag acts a bit like a lenstry it some timein which the movements of people in the area are reflected. Filled a one gallon bag with water placed one penny into the bag of water. The best explanation is simple light refraction going through the bag of water that confuses the housefly. Durable clear 1-gallon plastic zip-top bags work well but use the sturdy freezer-safe variety or double bag the water. In the book the character added a tablespoon of oil.
Within 24 hours there are no flys.
Others say the baggie has to contain a penny or exactly 4 pennies or bits of floating aluminum foil. Filled a one gallon bag with water placed one penny into the bag of water. The best explanation is simple light refraction going through the bag of water that confuses the housefly. If you will remember your biology from days in school a housefly has large complex eyes made up of thousands of simple eyes that dont move or focus. Hung one close to my outside garbage can that attracted hundreds of flys and one on front porch where I feed 3 cats attracting dozens of flys. In the book the character added a tablespoon of oil.