Ahmad said he got the idea during a trip to New York some time back, when he encountered big, water-filled bag fly barriers over the doorways of a Chinese restaurant. I thought it might be some sort of good-luck charm. It was installed at the suggestion of a beloved employee, she said. Indeed, she admits, the flies are few Army employs fly repellent water bags.
John in Mid-City. The back deck of the po-boy shop is festooned with a fleet of 30 dangling anti-fly bags. Nix said he first employed the insect scarecrows to counteract the plague of coffin flies that buzzed into being after the flood. But when people try it and obtain no noticeable positive results, they tend to simply forget about it and move on without publicizing the outcome of their efforts.
Fact Checks. Critter Country. We went with some out of town friends to Sweety Pies on Sunday for breakfast, and we sat in the enclosed patio section beside the house. We happened to notice a couple of zip lock baggies pinned to a post and a wall.
The bags were half filled with water, each contained 4 pennies, and they were zipped shut. Naturally we were curious! Ms Sweety told us that these baggies kept the flies away! So naturally we were even more curious! We actually watched some flies come in the open window, stand around on the window sill, and then fly out again. And there were no flies in the eating area! It seems there are a lot of outdoor events being decorated with plastic bags filled with water these days to frighten these bug-eyed creatures away.
The bags may even contain pennies, small bits of aluminum foil and other shiny items to make the redneck water globes even scarier to the disease-laden insects. Restaurants across Mexico have been using this inexpensive project to protect their guests for a while and now many of our Tennessee citizens are giving it a try at their back porch get-togethers this summer with some success.
So how does a plastic bag filled with water drive flies away you may ask? The best explanation is simple light refraction going through the bag of water that confuses the housefly. The fly bases his movement by light and the refracted light coming through the water in the plastic bag confuses the fly causing him to move on to a place that is easier on the eyes.
And when you have a few thousand to deal with at one time, the easier, the better. At least this is the explanation that some entomologists are giving to this new insect remover now spreading across the Internet and making its way to backyard gatherings. While any effect on temperature is purely accidental, these hanging bags are all about driving pests away.
People hang these bags outside their homes, businesses and even in their barns to drive flies away. Various takes on the water-bag practice exist. Some advocates insist the bag must have flakes of floating tin foil; others say a penny or two. A couple of industrious websites even offer commercial takes on the concept, selling specially designed water bags to be used as repellents. After all, flies spend much of their time buzzing around such germ havens as dumpsters and animal carcasses and droppings.
Then, loaded down with germs, they swarm around your chicken sandwich — it's only natural that you'd want to keep them away. After all, flies aren't just annoying, they carry diseases.
But how can a bag of water help? Does it even work? Experts and amateurs are split on the question. Let's examine both sides of the issue. The water bag method of fly repellent has many supporters, from restaurant owners to backyard grill-masters. Many success stories ranging from the mild to the miraculous litter the internet. So how does the method drive flies away?
Some insist the flies perceive the clear liquid as the surface of a body of water. Others claim the insect flies away at the sight of its own magnified reflection. But the most popular reasoning that pops up among entomologists and patent-filing entrepreneurs is simple light refraction. Refraction takes place when a clear or opaque object, such as a piece of glass or a bag of water, alters the course and velocity of light.
The rays of light, which normally travel in a straight line, bend.
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