Quick and Easy Homemade Fly Trap

by Sarah Green LivingComments: 80

homemade fly trapOne of the more popular posts on this blog is a nontoxic, homemade fly repellent made with – believe it or not – a penny, some water and a heavy duty zip lock bag.

I learned about this trick at a local farm during one of my children’s field trips and it works extremely well for repelling the type of flies in my neck of the woods here in Central Florida.

Reading through the comments on that post, however, it is apparent that not all flies from around the world are similarly repelled by the flybag trick!

Some folks swear by it and others deride it as ineffective. If you are one of the folks for whom the flybag isn’t working, I thought I would post another flies begone tactic for you to try, this homemade fly trap courtesy of my goat milk farmer who uses it with fantastic success.

homemade fly trap step 1As you can see, the homemade fly trap obviously works well as the picture above of one of the traps near my farmer’s house is loaded with several inches worth of dead flies!

The trick to this homemade fly trap is that it actually catches and traps the flies rather than repelling them like the flybag approach.  The flies get lured into the trap by a potential food source and can’t escape. When the fly trap becomes full of flies, you throw it away and make another one, or two, or three!

Make Your Homemade Fly Trap in 3 Simple Steps

The only supplies you need to make your homemade fly trap are a clean, empty 2 liter plastic soda bottle, some heavy duty packing tape, and some rotting produce. I recommend potatoes as they work really well for my farmer.

The pictures to the right illustrate how to quickly make your homemade fly trap:

  1. homemade fly trap step 2Cut an empty 2 liter soda bottle in two. The bottom half should be larger than the top. Making the cut about 1/4 – 1/3 of the way down the bottle works well (see photo).
  2. Remove the cap from the top of the bottle and turn it upside down. Place a few pieces of cut up, rotting produce in the bottom half of the bottle and then, place the upside down, open end of the bottle inside the bottom half (see photo).
  3. Tape the two halves of the bottle together so they stay secure.

homemade fly trap step 3Note that the better the bait, the more effective the homemade fly trap will be.  Here in Florida, potatoes that are soft and starting to rot work extremely well.  Any type of decomposing fruit or vegetable would work too – you can try different ones and see which attract flies in your locality most effectively.

Because you are using rotting food to attract and trap the flies, make sure you place the homemade fly trap in a place where the smell won’t bother you and will attract the flies away from the area you are trying to keep fly free.

Let me know if you have tried this approach where you live and what you use as bait inside the soda bottle. Did you find it worked well? Why or why not?

Sarah, The Healthy Home Economist


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