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Homemade DIY Mosquito and No-See-Ums Trap With Yeast

Updated on June 30, 2014

Make Your Own Mosquito and No-See-Um Trap

In many places, biting insects are a year-round nuisance. Mosquitoes flock in the warmer months while biting midges ruin beach trips and cool-weather, outdoor experiences. Harsh chemicals, citronella candles, and self-proclaimed mosquito repellants that claim they emit annoying noises are pricy, hazardous, or downright ineffective. Luckily, you can easily make an effective mosquito and gnat trap that won't poison you, your kids, or your pets and costs next to nothing. Read on to learn more.

Did You Know?

There's actually no evidence that certain sounds or frequencies attract or repel mosquitoes. If you have a noise-emitting mosquito device that isn't working, this is why. Do you still have the receipt?

A biting midge
A biting midge | Source

What Attracts Mosquitoes and No-See-Ums?

There are many different mosquito and midge (colloquially called 'no-see-ums' or sand fleas) species. Each one is attracted to slightly different things -- temperature, movement, color, lactic acid, and a type of alcohol known as octenol all play a role.


  • Even though mosquitoes use a combination of the above-listed factors to home in on their prey, exhaled carbon dioxide is a primary victim-location method for mosquitoes.
  • Additionally, mosquitoes are attracted to moisture. This attraction is for two reasons: exhaled water vapor indicates something bite-able and still water is a potential spot to lay eggs.


  • There are literally hundreds of midge species worldwide. Just like mosquitoes, only the females bite. These bites frequently welt up worse than mosquito bites (at least, they do on me!) and midges are much more difficult to chemically repel than mosquitoes.
  • They are also a little more difficult to trap. Unlike mosquitoes, which are repelled by salt water, biting midges love salt water. In fact, they generally love damp areas of all varieties. Just like all biting insects, they use CO2 to find their victims.
  • Thankfully, even a light breeze is enough to send these tiny insects into hiding. While it is tiresome to fan yourself constantly, you can chase the gnats away from your next beach outing with a hand or battery operated fan.

Materials and Equipment for a Mosquito Trap

  • Empty 2 liter bottle
  • Ruler
  • Permanent marker
  • Utility knife or sharp scissors
  • Stove
  • Small cooking pot
  • Water
  • 1 cup of white sugar
  • Thermometer, preferably an instant read or candy thermometer
  • Dry active yeast
  • Black plastic shopping or doggie bag

Steps for DIY Mosquito Trap

Empty 2 liter
Empty 2 liter | Source
Empty 2 liter with label removed
Empty 2 liter with label removed | Source
Measure and mark the bottle
Measure and mark the bottle | Source
Slightly flatten the bottle to draw a line around the 2 liter
Slightly flatten the bottle to draw a line around the 2 liter | Source
Nice, straight line around the bottle
Nice, straight line around the bottle | Source
Cut 2 liter with a utility knife, hobby blade, or scissors
Cut 2 liter with a utility knife, hobby blade, or scissors | Source
2 liter with top removed
2 liter with top removed | Source
Always use a lid when you boil water!
Always use a lid when you boil water! | Source
Add 1 cup of sugar
Add 1 cup of sugar | Source
Stir, off heat, to dissolve sugar
Stir, off heat, to dissolve sugar | Source
Add 1 cup of tap water
Add 1 cup of tap water | Source
Cool water faster with ice
Cool water faster with ice | Source
Too hot for yeast
Too hot for yeast | Source
80-90 degrees Fahrenheit is a good temperature for yeast
80-90 degrees Fahrenheit is a good temperature for yeast | Source
Add yeast
Add yeast | Source
Stir yeast
Stir yeast | Source
Yeast/sugar syrup in bottle
Yeast/sugar syrup in bottle | Source
A gnat in the trap already!
A gnat in the trap already! | Source
Cover the 2 liter with black plastic
Cover the 2 liter with black plastic | Source
Use packing tape to seal the inverted lid and bottle
Use packing tape to seal the inverted lid and bottle | Source
DIY mosquito trap
DIY mosquito trap | Source
Yeast slurry with bugs at the trap's bottom
Yeast slurry with bugs at the trap's bottom | Source

DIY Mosquito Trap

Mosquitoes are attracted to dark, moist places and carbon dioxide -- you simply need to use this to your advantage in order to trap them. Midges, on the other hand, prefer salt water, but the CO2 may still catch some of the pests, too.

Making the mosquito trap is easy. You simply modify a plastic 2 liter bottle, fill it with a sugar, water, and yeast syrup, and cover it with black plastic to create the dark, wet, CO2 rich environment mosquitoes crave.


  1. Procure an empty 2 liter bottle. While many name brands have started using a new style of bottle that does not work as well for this project, most store brands still have a 'traditional' plastic 2 liter. The pictured seltzer water (above) was only 50 cents, on sale.
  2. Rinse the bottle out, remove the label, and throw away the cap.
  3. Cut the bottle to separate the top 1/3 from the bottom 2/3. You'll want to cut slightly below where the bottle begins to taper toward the top. You can either grab a pair of scissors and jump right in, or you can measure, draw a line, and make an even cut. (Note: I highly recommend the latter. To do this, hold a ruler against the bottle and find where you want to make the cut. I wanted my cut about 5" up the bottle. Use a permanent marker to make a line at this height. Proceed around the bottle, making marks every few inches at this same height. Then, place the bottle on its side. Use a ruler to slightly flatten the bottle and draw a line connecting your marks. Continue by turning the bottle, flattening slightly, and extending the line until you've made a neat circle all the way around. Now you can cut along the line with ease!)
  4. Boil 1 cup of water. Make sure to put the lid on to make the water boil more quickly.
  5. Remove the water from heat and stir in 1 cup of white sugar. Stir until the sugar is completely dissolved.
  6. Add 1 c of 'cold' tap water and stir.
  7. Wait for the water temperature to drop below 90 degrees Fahrenheit. If you add the yeast before the water has cooled sufficiently, the yeast will die. You may add a couple of ice cubes to hasten the process, but do not place the pan in your fridge or freezer. While the water needs to be less than 90, if it is too cold, the yeast cannot thrive. Note: If you don't have a thermometer, put your wrist, or whole hand, in the water (yes, it will get sticky). If it feels about the same as your body temperature, it is still too hot. If it feels slightly cool, you're in business. It is better to err on the side of caution and have too-cool water instead of too-hot water because cool water won't kill yeast.
  8. Once the water reaches the appropriate temperature, add 1 teaspoon of dry active yeast and stir.
  9. Pour this mixture in the bottom portion of the bottle. (I once caught a fruit fly before I even got the top on the mixture!)
  10. Tape black plastic around the bottle. Two doggie bags suffice, but part of a trash bag or shopping bag works, as well. While instructions online may suggest using black construction paper, this isn't recommended as construction paper fades very quickly and rips easily.
  11. Place the top portion of the bottle, cap end down, in the bottom portion of the bottle. If your liquid actually touches the bottle's lip, pour some of it out. There must be enough space for the insects to enter the bottle and become trapped.
  12. Use tape to seal the two portions of the bottle.
  13. Place your trap and let it get to work! The pictured trap (above) was constructed in the afternoon and, in that same evening, the yeast was bubbling nicely and producing plenty of tasty carbon dioxide.

Your Mosquito Trap Experiences

Have you ever experienced success with traditional mosquito traps or repellents?

See results

How to Use a Mosquito Trap

Trap placement:

Because it produces carbon dioxide, this trap attracts mosquitoes. It also means you may experience an increased density of mosquitoes around the trap, so don't place it right next to you. Instead, try to position the trap several yards away from your location. This not only reduces the mosquitoes in your immediate vicinity (because they're flocking to the trap) but it also reduces the overall mosquito population by killing the egg-laying, biting females.

Yeast/sugar replacement:

Within two weeks, you'll need to replace the yeast/sugar syrup. Check on your trap every day or two. If it is no longer bubbling and fermenting, the yeast is finished. It either got too hot and killed the yeast, too cold and the yeast went dormant, or the yeast simply ate all of the sugar and ran out of food.

Whenever you notice a lack of yeast activity, simply re-make the syrup and either use a knife to cut the packing tape holding the two pieces together, and replace the solution inside the bottle, or make an all-new trap. I recommend just chucking the whole thing out and making a new trap. When I went to empty mine, it was so nasty, full of bugs, and smelly -- I couldn't even imagine cleaning it out and reusing it.

As always, please let me know if you have any questions, and happy hunting!


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    • howlermunkey profile image

      Jeff Boettner 4 years ago from Tampa, FL

      Great hub, I just watched a special last sunday am on the diseases mosquitoes carry ( cbs sunday morning). This trap is a great idea and thanks for all of the pics! Im sharing this one

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thank you.

      Yes, mosquitoes are the sole vector for many nasty diseases, including some that have no cure. Globalization has helped spread some of these to new places, too, and has has introduced non-native mosquitoes to many areas,

      Thanks for stopping by and sharing!

    • sadie423 profile image

      sadie423 4 years ago from North Carolina

      Mosquitoes aren't too bad here this year, but the no-see-ums are killing me. I'll try anything to get rid of both of them!

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Ugh. I hate no-see-ums! Sometimes they make me want to cry and give up on life. They are a little more difficult to catch than mosquitoes. I think their small size gives them an advantage. You might want to make sure the liquid is just a tiny hair lower than the bottle's mouth to give them less space. Good luck!

    • jellygator profile image

      jellygator 4 years ago from USA

      I wish I'd have read this back when I lived in Georgia!

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Does that mean this annoying critters don't live in your current area? Are there houses available in your neighborhood?

    • phdast7 profile image

      Theresa Ast 4 years ago from Atlanta, Georgia

      What great information and what a simple way to build a trap. Terrific Hub. :)

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thank you! I appreciate the view and comment.

    • Austinstar profile image

      Austinstar 4 years ago from Somewhere in the universe

      I think I will try this for horse flies. Thanks!

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      As long as they can fit in the bottle's mouth, it should work. They are also attracted to CO2. Good luck!

    • Angelo52 profile image

      Angelo52 4 years ago from Central Florida

      Excellent idea. If only I knew how to cook sugar and water. Oh well, reckon I'll just have to use the run and hide technique of mosquito avoidance. :)

      Seriously, good article and instructions for making this homemade mosquito trap.

    • Barbara Kay profile image

      Barbara Kay Badder 4 years ago from USA

      What a great idea! I'm going to try one of these. I'll pin it to save the info and share.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thanks, Angelo and Barbara Kay! I hope you get the chance to make it and it works well for you.

    • rajan jolly profile image

      Rajan Singh Jolly 4 years ago from From Mumbai, presently in Jalandhar,INDIA.

      Natashalh, Awesome hub. This is a very useful contraption to get rid of these biting insects. Your pictures are excellent and go very well with your description. Thanks for sharing.

      Voted up, useful, awesome and shared all over.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thank you so much! I really appreciate the share =)

    • QudsiaP1 profile image

      QudsiaP1 4 years ago

      Brilliant advice! Thank you for sharing it.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thank you! In a couple of weeks, I hope to add some really yucky pictures of all the insects I've killed with my trap. =)

    • teaches12345 profile image

      Dianna Mendez 4 years ago

      In florida, the mosquito is a national bird. You cannot go outside at night without protection. I like your natural trap and believe it may just be worthwhile to make.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      It sounds like you might need more than one! I know what you mean - I've spent a lot of time in FL.

      Thanks for stopping by.

    • Peggy W profile image

      Peggy Woods 4 years ago from Houston, Texas

      Houston, Texas is also a mosquito haven. Fortunately our subdivision sprays once a week in the evenings which cuts down on the population. Your homemade mosquito trap is ingenious! I'll keep it in mind in case the mosquitoes get out of hand. Voted up, useful + tweeting and sharing with my followers. Thanks!

    • ThePracticalMommy profile image

      Marissa 4 years ago from United States

      I like this because I don't have to spray my kids with chemicals if it keeps the mosquitoes away. I will definitely be trying it!

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Awesome! Thanks for the comments, Peggy and PracticalMommy. Just don't forget to put it away from you because it does attract the mosquitoes. If you put it on your porch, you can expect a lot of activity in the wrong place!

    • mary615 profile image

      Mary Hyatt 4 years ago from Florida

      Well, I am just so curious to see if this really works. I'll give it a try because I live in S. Florida, and even though my neighborhood gets sprayed weekly, it's impossible to go outside after dark.

      Wonder if this contraption has any odor???

      I voted this Hub UP.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      It does have a slight odor. It smells like yeast - sort of like rising bread. I hope it works for you!

    • Just Ask Susan profile image

      Susan Zutautas 4 years ago from Ontario, Canada

      We always have tons of mosquitoes and I will be trying your trap. Thanks.

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Awesome! I hope it works well for you.

    • Dolores Monet profile image

      Dolores Monet 4 years ago from East Coast, United States

      A very interesting solution to the insect problem. I love to be outside but the little critters can be so annoying! For a while, before I'd go out, I'd drink a shot of vinegar which is supposed to repell mosquitoes. But, yuk! This idea sounds so much better!

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      I've never heard the vinegar trick. Does it work? I used to drink apple cider vinegar when I had a cold. I can't say it was tasty...

    • TycoonSam profile image

      TycoonSam 4 years ago from Washington, MI

      Very good Hub. Instructions are detailed and easy to follow.

      Thanks for sharing.

      Voted thumbs up and useful

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Thanks so much!

    • Turtlewoman profile image

      Kim Lam 4 years ago from California

      This is such an awesome hub...I will definitely try this. My backyard is a war zone right now, and my dog is getting so many bites.

      Why is this not a Hub of The Day?! :-)

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Aw, thanks!

      Enjoy and good luck.

    • JJMargaret profile image

      J Johnson 4 years ago from South Jersey

      Great Hub. I live in South Jersey and my neighborhood is so bad with mosquitoes in the summer they follow you into the car and house. I've contacted Mosquito Control but they seem to do nothing about the problem. Sprays and candles have little to no effect. I will definitely try this trick in the Spring. :)

    • vibesites profile image

      vibesites 4 years ago from United States

      I will definitely have a go on this. There are parts on our house (especially the darkened ones) that are infested with those insects. Thanks for posting this -- this might save anyone's lives, knowing how dangerous these mosquitoes are. Voted up, useful and shared. :)

    • Natashalh profile image

      Natasha 4 years ago from Hawaii

      Good luck! There are so many different types of mosquitoes it's kind of amazing, but they all bite! Just remember to replace the water every week or two, depending on how warm it is and how many you catch. Oh! And if it's too cold, the yeast won't live. But if it's that cold, the mosquitoes will die anyway.

    • lala 3 years ago

      Thank you so much for sharing this project :) Just curious, did you end up catching many no-see-ums? I want to try this for those suckers. Mosquitoes aren't a problem for me. And can this 'liquid yeast' survive overnight even if the room temp gets down to 40's?

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Room temperature? Do you mean front bringing it inside to protect the yeast, or do you believe you have no-seeums inside? If you see little black things bugging about in your house, they may be fruit flies. My old roommates managed to attract an infestation of those about a year ago!

      Yes, I did catch some no see-ums, but the world is so full of them! I wasn't able to eliminate them or anything, but I did get the satisfaction of knowing there were at least a few less to bother me.

      Cool temperatures slow the yeast down, but don't actually kill it. Freezing can kill yeast, but above freezing makes it go dormant. If the trap gets into the 40s, it will really slow the yeast and their production of carbon dioxide, so it may reduce the trap's efficacy, but you should be able to warm the trap and have the yeast survive. If the trap freezes, you may need to just start over.

    • lala 3 years ago

      Thank you for your reply! Ok, I will try to keep the yeast warm enough :)

      I first thought they were fruit flies, but apple cider / balsamic vinegar traps didn't work, and they were biting me in bed, so I figured they were probably no-see-ums :( They are awful... I think I'm going to also get a bug zapper and a fan.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Maye you have fleas in your house? That sounds like fleas. Flea infestations are not uncommon in winter because animals move under homes/in the walls/etc and fleas get off them into a house. I have also lived somewhere that happened! They're easy enough to kill off with a flea 'bomb' type spray from the store, but they will show back up and long as the offending animal is in residence. They can be a serious health issue, though, so don't just ignore them!

    • Blond Logic profile image

      Mary Wickison 3 years ago from Brazil

      Guess what I am making tomorrow! I am in Brazil and we are just entering our rainy season when everything breeds like crazy.

      I can't wait to try this and I hope it works. We don't have malaria in our neck of the woods but the state does get dengue fever.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      That's no good! Yes, it does catch a lot of them, but there always seem to be more ready to take their place =( I take great satisfaction in knowing I got some of them, though!

    • Sangeeta C Pai profile image

      Sangeeta C Pai 3 years ago from India

      Great advise .shall use this method ...thanks

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Excellent =)

    • Ted 3 years ago

      I imagine this would work with flour and water as well. The bottle will collect yeast which is in the air and go to work producing CO2.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Yeast doesn't eat flour, I don't think. Not the same way - that's why you have to add sugar when you bake bread from scratch. But you can always try!

    • Steven 3 years ago

      Does brown sugar work by any chance?

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      I don't see why not - it has extra molasses for the yeast! I've never tried, but it should.

    • Steven 3 years ago

      Cool and thanks a ton for your work!!

    • PenHitsTheFan profile image

      Amy L. Tarr 3 years ago from Home

      I've heard vinegar works too. I'm not sure if that's true or not.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Vinegar and a little dish soap work wonders for fruit flies.

    • Heyworld 3 years ago

      I think I must have no see ums as I am getting bitten but no evidence of anything! You said they like salt water; so you think this trap would work for them if I added salt?

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      They live in a salt marsh habitat. I don't know that adding salt would help you catch more. In fact, salt will kill the yeast, so you'd probably catch less or none.

    • Heyworld 3 years ago

      Oh, glad I asked! Any tips for trapping no see ums?

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      I was able to just catch them like the trap is. Just because you can't see them doesn't necessarily make them biting midges of the same variety, though many biting things do use CO2 to find victims. I'd just try it as is and see what you get! Don't forget to let the syrup cool before adding the yeast so the yeast doesn't get killed.

    • Barbara Kay profile image

      Barbara Kay Badder 3 years ago from USA

      I shared this on Facebook. We have so many mosquitoes right now, I'm just about covered with bites.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      I really hope it helps! Make yourself a couple! =)

      I've seen your Michigan mosquitoes. They are quite formidable!

      Thanks for sharing!

    • Justin 3 years ago

      Has anyone had any luck with this type of trap in South Austin? I followed the recipe to the letter, and I've trapped sugar ants and some beetles, but no mosquitoes. We have a lot of Asian tiger mosquitoes down here. I don't know if that makes a difference.

      Very detailed and easy to follow instruction. Thanks for posting.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Why didn't I think of sugar ants? They are always showing up in the kitchen where I'm staying this summer. The closest I've been to SE Asia is Guam, but I didn't make this trap there! I'm really sorry I don't know what your particular breed of mosquito is vulnerable to.

    • john 3 years ago

      this did not work for me. I caught no mosquitoes though there are plenty around. It.s very humid where I am. Mosquitoes find me easily, but have shown no interest in this contraption ( though its working fine and fills the room with the gas created by the yeast). Interesting idea, but the problem is not solved for me.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      I'm sorry it didn't work out for you. Did you at least catch some type of bug? I always catch so many gnats I have to change the water/yeast out before it stops working just because it's so clogged up!

    • marion langley profile image

      marion langley 3 years ago from The Study

      I really feel like I could do this after reading your article, thank-you!

    • brian 3 years ago

      Trying a bucket of water with a few drops if liquid detergent. The misquitos are supposed to land in the water and drown because the detergent breaks the surface tension.

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      Thanks Marion!

      Good luck, Brian. I've never personally had luck with that type of trap, but I hope it works well for you!

    • Mitzzay 3 years ago

      Does this actually works? I read some sites saying that this does not works. I don't know which is true

    • Natashalh profile image

      Natasha 3 years ago from Hawaii

      I guess it ultimately depends. There are a lot of different breeds of mosquitoes and other biting critters in the world. I personally caught lots of midges and a few mosquitoes (but my town sprays for them, so I wouldn't expect to catch loads). You must take care to not kill the yeast when mixing the solution and you have to change it out every week or so. I can't promise that it will work for you, but it has worked for me.

    • Taylor 2 years ago

      I find it very useful and explained in away that anyone can understand. I am going to try this as I think this an excellent way to control mosquitoes. It will be great if it works because mosquitoes are so harmful to us and this is an environment friendly way to do it! Many thanks for the information.

    • Natashalh profile image

      Natasha 2 years ago from Hawaii

      Hopefully it works for your type of mosquitoes! There are so many different varieties and it seems to work better for some than others.

    • Jorge 2 years ago

      I'm going to make this today, my only question is I live in South Florida and we been having tons of rain, will that affect the trap at all.

    • Natashalh profile image

      Natasha 2 years ago from Hawaii

      Probably indirectly. If the rain gets in the trap, it might start to grow things other than the yeast. Additionally, puddles of water will always attract mosquitoes. If there are too many other appealing spots, they probably won't be drawn to the trap. Try to overturn/empty out as many places that collect water as you can!

    • etaCarinae profile image

      Sara Johnson 2 years ago from United States

      I think a combination of indoor and outdoor alternatives is the best way to get rid of flies and mosquitoes. and any other bugs, in fact. We use an indoor zapper, and lavender oil around windows and screen doors to discourage them from hanging around.


    • Natashalh profile image

      Natasha 2 years ago from Hawaii

      I haven't tried lavender oil before! Luckily, I've moved to a place with few mosquitoes. Now I have tiny little ants, instead!

    • Grangermdk profile image

      Grangermdk 2 years ago

      Thank you for the article.

      I am struggling with what I am about 100% are noseeums, after going through a crazy/maddening bug fighting 9 mo journey. The only thing I have not tried is a CO2 based solution.

      How bad is the smell?

      Can I use it inside my home in a few places safely, to try to get some of the little buggers?

      Thanks, Mike

    • Natashalh profile image

      Natasha 2 years ago from Hawaii

      It definitely does smell funky, and increasingly so as the days go on.

    • Esameraldq 22 months ago

      My husband and i have been trying to get rid of the no seeums we never had this problem until we let a friend of mine and her four kids stay with us For a month. She left when she got her incomtax return but left behind a lot of no seeums,bedbugs and head lice. She never told us they had lice let alone bedbugs or no see ums know i just had a baby now my four year old daughter my three year old son my four month old son my husband and i are getting bitten. I cry every time my see my newborn cry when he is getting. Bit this things are in our clothes what can I do to get them off our cloths?

    • Natashalh profile image

      Natasha 21 months ago from Hawaii

      Quite honestly - I have never found a way to keep them off my person other than using a couple different essential oil-based sprays all over myself or fanning myself with either a hand fan or one of those little electric ones. I used to work outdoors midges and it made me completely miserable.

    • BonBon 19 months ago

      I made your trap -- made 5 of them, actually and placed them all around the house. It has been five days and not one bug went in any trap! Noseeums are in my house and are biting me. I have tried foggers, tried the vinegar and soap trap method and now your sugar and yeast method. NOTHING has worked!

    • BrendaWilhite 14 months ago

      I have no see ums in house. A year ago I began getting these horrid itchy bites during night. Immediately thought bedbugs and made a bunch of co2 bedbug traps. Never caught a bedbug, but caught a bunch of what seemed to be tiny gnats. They were No see ums. I live in southwestern New Mexico which has an arid climate and no ponds nearby. It's now a year later. I've tried taping or plugging all drains, keeping all windows and doors closed and spraying insecticide through out house. Nothing works. I've begun to coat my body with Deet at night, which helps. Today I'm making a bunch of these traps and see if I can trap some. I think the important thing is to find out where they are breeding in the house. A trap in each room may let me know.

    • Kristen Howe profile image

      Kristen Howe 14 months ago from Northeast Ohio

      Great idea, Natasha. I would have to keep this in mind for next year. I'm dealing with houseflies now, so hopefully it would work out for them as well. Two thumbs up!

    • steve Merchant 6 months ago

      I went round my whole house with a steamer 3 days in a row and they have gone! finally a good nights sleep. Good luck everyone!

    • L.E.Farnsworth 5 months ago

      Eric In Misery Mo. asks, you do a whole article on no-see-ums and then after saying mosquitoes are attracted by something opposite, you show how to build a mosquito trap. Should I be confused? Well, I am. I need to rid myself if something I can't see, not mosquitoes.

    • Ari 5 months ago

      If gnats prefer salty water, why budle the mosquitos with them? How about a separate method for each?

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