6 DIY Mosquito Traps That Are Dirt-cheap To Make -

6 DIY Mosquito Traps That Are Dirt-cheap to Make

Mosquitoes are universal pests. Anyone who does anything outside has to contend with THEM. Not only are they annoying, but their bites cause itchy welts, and they can carry disease. Plain and simple, mosquitoes suck.

Humankind has been dealing with mosquitoes for a very long time. Historians have found many substances and techniques used by people over the millennia. While they may have worked well, today we don’t want to cover ourselves in mud or tie a string of leaves across our body, so we are more dependent on chemical repellents.

Repelling mosquitoes is a practical solution to keeping yourself from getting bit, but it would be nice to get rid of them for good. To do that we need to trap them and kill them. Not only is that mosquito gone, but so are hundreds of possible offspring.

In this article, we are going to look at several different homemade mosquito traps, and determine which one works the best, if at all. To research for this article, My wife and I spend a weekend building and testing each trap in an area that we know holds a lot of mosquitoes and other flying insects.

Commercially Available Traps

There are commercially available traps on the market. Two popular options are the DynaTrap DT1050, which uses UV light and a vacuum fan to trap the insects and the Catchmaster 75M, which uses baited glue boards to attract and catch the insects.

While the commercial traps are very effective, they require a purchase and a somewhat expensive. Homemade traps can be made as needed, and use inexpensive ingredients you probably have on hand.

Some General Considerations

When it comes to trapping mosquitoes, there are a few things about their behavior that needs to be considered when you are determining the materials to you or the location to put the traps.

The first is that mosquitoes do not like the hot sun. Their tiny bodies can quickly dehydrate, so they prefer to stay in the cooler, shaded areas until dusk. Secondly, mosquitoes generally fly between four to six feet about the ground.

While they will go both below and above, this is the most generalized flight path. Third is that mosquitoes are more attracted to darker colors. For this reason, I chose to use green soda bottles for our trap test.

Helping keep the traps in the most likely area that mosquitoes will be, and making them more attractive to the mosquitoes, should help increase their effectiveness.

Homemade Traps

Trap #1 – Amish Flying Insect Trap

The first trap we decided to try was the Amish Flying Insect Trap. We found a few different variations online, but they all contained the same ingredients, just the container, and location to place them changed.

This trap is supposed to give off a scent that insects are attracted to, and once they fly in, they land in the fluid and drown. It is supposed to be hung in a tree or place on an elevated area to help get the scent into the air.

To make this trap, you will need:

• 1 cup of Sugar
• 1 cup of Vinegar
• 1 or 2 Banana Peels
• 2 cups of water
• 1 2-liter soda bottle

For a container, we used an empty 2-liter bottle since that was the most common recommended container, and since it was being used in a majority of the traps. We didn’t cut the bottle, just tied a string around the neck to hang it from a tree.

Once we had everything mixed, we gave it a good shake and then used the handle of a wooden spoon to make sure the banana peels were submerged under the liquid. We then took it out and hung it from a tree branch. The trap was a bit heavy, and we had to make sure to find a sturdy branch to hold it up. The first couple we tried, the trap pulled the branch all the way to the ground. We allowed the trap to sit for 24 hours to judge it’s effectiveness.


This trap was surprisingly effective. There were so many bugs in the trap it was not possible to count them individually. I would estimate 40 to 60 insects, which included flys, mosquitos, at least two yellow jackets, and an assortment of others. I could see this trap making a difference to the number of flying insects in an outdoor area.

Trap #2- Brown Sugar & Yeast Bottle Trap

The next trap that was tested was the Brown Sugar & Yeast Bottle Trap. This trap consisted of a two-liter bottle with the top 1/3rd cut and inverted back into the bottle. By putting the top of the bottle down into the bottom, it creates a “funnel” with a small opening at the bottom.

Here is a video showing someone making a version of this trap:

To make this trap, you will need:

• 1 cup of brown sugar
• 1 packet (or 1 tablespoon) of dry yeast
• 4 cups of warm water
• 1 2-liter soda bottle

Mix and stir until well combined and then pour into the bottle.

The yeast is supposed to react with the water and sugar and produce carbon dioxide, which is the gas we breathe out, and what the mosquitos are attracted to us for. We placed the trap in a high mosquito trap and allowed it to sit for 24 hours to judge effectiveness.


After 24 hours out catching bugs, this trap had six mosquitos in it. Not an impressive amount, but better than nothing. You would have to have a lot of these to make any difference.

There are ways of improving on this design, and people seem to have mixed results. This trap here seems to be one of the best ones but does require more materials and time:

Trap #3- Vinegar & Baking Soda Bottle Trap

The next trap was the Vinegar and Baking Soda Bottle Trap. This trap is made the same way as the Brown Sugar & Yeast Bottle Trap, by cutting the top off a 2-liter bottle and inverting it into the bottom to create a funnel. It also works the same in that the vinegar and baking soda react to produce carbon dioxide to attract the mosquitoes.

To make this trap, you will need:

• 1 cup of baking soda
• 4 cups of apple cider vinegar
• 1 2-liter soda bottle

Place the baking soda into the bottom of the bottle. Place the container into a position where you want it to stay, and then add the vinegar.

Same as the other, this trap was placed in a highly active mosquito area and allowed to sit for 24 hours to judge it’s effectiveness.


As expected when we added the vinegar we got a lot of bubbling and fizzing. However, that was pretty much all of the action this trap had. After 24 hours there was 1 small fruit fly, but no mosquitoes. This trap was utterly ineffective.

Trap #4- Dish Soap & Light Trap

This trap has a different design than the first three. This trap uses a container filled with water and dish soap, with a light to attract the mosquitoes. Mosquitoes can stand on water, so landing in water is no problem for them. However, the addition of dish soap removes the surface tension of the water, which is what allows the mosquito to stand on it. Therefore when they come in and land on the water, expecting to stand on top of it, they drown.

To make this trap, you will need:

• A container (tall and slender work best)
• Water
• 1 teaspoon of regular dish soap
• 1 light source

Fill your container approximately 1/3 full of water. Add in the dish soap and stir until combined. You will have bubbles, but as long as it’s minimal, it will be fine. Next, place the container in our chosen area, and suspend the light source over the container.

Finding a suitable place, and setting it up correctly can be more complicated than it sounds. The way we managed to get it to work best, was we attached the container to a tree (duct tape), and then hung a small LED flashlight over the top of it, leaving about 3 inches of clearance from the top of the container. The trap was placed in a highly active mosquito area and allowed to sit for 24 hours to judge its effectiveness.


This trap after 24 hours had seven mosquitoes and numerous other small insects. I had expected this trap to perform better with the light source, but it proved to be about average. Considering the extra difficulty in setting this one up and finding a suitable place to place it, this trap seems more trouble than it’s worth.

Trap #5- Vinegar & Dish Soap Bottle Trap

The next trap we tried was another bottle trap. The Vinegar & Dish Soap Bottle Trap uses the same design as the Vinegar and Baking Soda and the Brown Sugar & Yeast traps.

To make this trap, you will need:

• 2-liter soda bottle
• 3 cups of apple cider vinegar
• 1 tablespoon of regular dish soap

Cut the top of the bottle off and invert it, placing it down inside the bottom of the bottle. Add the vinegar and dish soap and mix well. Place in your designated area. As with the other, the trap was placed in a highly active mosquito area and allowed to sit for 24 hours to judge it’s effectiveness.


After 24 hours this trap had zero mosquitoes. Matter of fact, there was zero anything in the trap. I am not sure if the apple cider vinegar was not enough to lure on its own, it if the mosquitoes just didn’t care, but this trap was utterly ineffective.

Trap #6- Fan Trap

The Fan Trap is a much different design than the other traps listed. This trap uses a fan and mosquito netting to catch mosquitos. The fan sucks up the mosquito and blows them into a piece of mosquito netting. Once there, the constant wind will dehydrate and kill the mosquito.

There are numerous videos on the internet of different designs and styles of this trap. This video appears to be the most popular and demonstrates a very basic design, very similar to what we built:

To make this trap, you will need:

• A fan
• Mosquito Netting
• Cardboard
• Staple gun
• String

Place the fan face up on the ground. Cut cardboard the length of the fan, and about 8 to 10 inches wide. Build a frame out of the cardboard strips, placing one on all four sides of the fan. Stretch the mosquito netting (you can use “Tulle,” which can be found in most fabric sections if you can’t find mosquito netting) over the frame and cut to fit, leaving about one-inch excess.

Fold the netting over the frame and staple it in place. Run a string across the sides, and the top & bottom, and tie in the back. The strings will hold your frame against the fan, but allow easy removal for cleaning.

We placed the fan trap in out high mosquito area and left it out there running for a full 24 hours to judge it’s effectiveness.


The fan trap caught what appeared to be a significant amount of mosquitos and other insects. It was impossible to count due to the individual insects being dried up and in small pieces.


In conclusion, I would say that the Fan Trap and the Amish Flying Insect Trap are definitely the best two of the traps we tested, and both could make a difference in the number of flying insects in an outdoor area.

Therefore it is possible to build a homemade trap with materials laying around your house and catch mosquitoes with it. However, we didn’t see anywhere near the success that some people claim they have with these traps. I would say their overall effect was minimal.

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