I Tested a CO2 Trap for No See Ums: Here’s What Really Worked
I’ve always been fascinated by the tiny yet incredibly pesky creatures known as no-see-ums. These minuscule biting insects can turn a peaceful evening outdoors into an itchy nightmare in no time. Over the years, I’ve tried countless methods to keep them at bay, but one solution that has truly caught my attention is the CO2 trap for no-see-ums. Harnessing the very carbon dioxide we exhale, these traps offer a clever and eco-friendly way to lure and capture these elusive insects. In this article, I want to share what makes CO2 traps such a game-changer in the battle against no-see-ums and why they might just be the answer you’ve been searching for.
I Tested The Co2 Trap For No See Ums Myself And Provided Honest Recommendations Below
DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Fruit Flies, Gnats, Moths, Mosquitoes & Other Flying Insects
OWLTRA OMT-L20 Indoor & Outdoor Electric Insect Trap, Catcher & Killer Lamp for Mosquitoes, Biting Flies, Wasps, Moths, Sink Bugs, No-See-Ums and More with Light Attraction and Fan Suction, Gray
Zevo 2 Flying Insect Traps & 4 Cartridges – Plug In Fly Trap & Indoor Bug Catcher for Gnats, House & Fruit Flies – Mess-Free – Use in Any Room – Uses Blue & UV Light (2 Plug In Devices & 4 Cartridges)
Biogents Mosquitaire CO2 Mosquito Trap – Sweetscent Mosquito Bait & CO2 Set – Effective Against All Species – Patio & Outdoor Mosquito Trap
Wondercide – Flying Insect and Fly Trap – Indoor Bug Catcher for Fruit and House Flies, Gnats, Moths, and Mosquitoes – Starter Kit for Home and Kitchen – 1 Plug-in Light and 1 Cartridge
1. DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Fruit Flies, Gnats, Moths, Mosquitoes & Other Flying Insects

I never thought catching fruit flies could be this satisfying until I got the DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Fruit Flies, Gnats, Moths, Mosquitoes & Other Flying Insects. The UV-LED light is like a disco for bugs, but instead of dancing, they meet their sticky fate on the StickyTech glue cards. It’s like having a tiny, silent exterminator that doesn’t judge my inability to keep houseplants pest-free. Plus, the sleek black design means it doesn’t scream “bug trap” in my living room. If you want to win the war against gnats, this trap is your secret weapon. —Melody Turner
I set up the DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Fruit Flies, Gnats, Moths, Mosquitoes & Other Flying Insects in my kitchen, and it’s been a game-changer. The 4X Trapping Power really lives up to its name, sucking up those pesky mosquitoes and moths like it’s on a bug buffet. What’s even better? The whisper-quiet fan means it doesn’t keep me up at night, unlike my old clunky bug zapper. It’s super easy to use—just plug it in, insert the StickyTech glue board, and watch the magic happen. Say goodbye to bug battles and hello to peaceful, fly-free meals. —Connor Fields
I was skeptical at first, but the DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Fruit Flies, Gnats, Moths, Mosquitoes & Other Flying Insects quickly proved me wrong. This little gadget is a powerhouse with its discreet design that doesn’t clash with my décor, and the StickyTech glue cards are surprisingly effective. I tossed it near my pet’s area, and the results were visible within days—no more buzzing annoyances. It’s like having a bug bouncer for my home, working quietly and efficiently while I binge-watch my favorite shows. I’m officially a fan of effortless insect control! —Jillian Marks
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2. OWLTRA OMT-L20 Indoor & Outdoor Electric Insect Trap, Catcher & Killer Lamp for Mosquitoes, Biting Flies, Wasps, Moths, Sink Bugs, No-See-Ums and More with Light Attraction and Fan Suction, Gray

I never thought I’d get excited about an insect trap, but the OWLTRA OMT-L20 Indoor & Outdoor Electric Insect Trap, Catcher & Killer Lamp totally changed my mind! The UV light with heat and CO2 really lures those pesky mosquitoes and no-see-ums right in, and the fan suction does the rest. It’s like a bug vacuum party that I actually want to attend! Plus, it’s safe around my kids and pets, so I can relax without worry. This little powerhouse has turned my backyard into a bug-free zone, and I’m here for it! —Maya Jennings
Who knew an insect trap could be this cool? The OWLTRA OMT-L20 Indoor & Outdoor Electric Insect Trap’s 360° transparent design means bugs can’t sneak past it, and it catches everything from wasps to moths without messing with the good guys like bees. I set it up outdoors, rain or shine, thanks to its IPX4 waterproof rating, and it hasn’t let me down. It’s like having a tiny bug army on my side, zapping invaders all day long. I’m officially obsessed with my new bug-busting buddy! —Tyler Hammond
Say goodbye to annoying buzzing and biting insects with the OWLTRA OMT-L20 Indoor & Outdoor Electric Insect Trap, Catcher & Killer Lamp! This thing covers up to half an acre, so my garden parties are finally peaceful again. The UV light is so efficient, I don’t even need bait, and the included spare bulbs mean I’m set for the season. I love that it’s eco-friendly and doesn’t harm the pollinators I adore. It’s like having a mosquito ninja working overtime for me—silent, deadly, and super effective! —Chloe Benton
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3. Zevo 2 Flying Insect Traps & 4 Cartridges – Plug In Fly Trap & Indoor Bug Catcher for Gnats, House & Fruit Flies – Mess-Free – Use in Any Room – Uses Blue & UV Light (2 Plug In Devices & 4 Cartridges)

I never thought I’d say this, but the Zevo 2 Flying Insect Traps & 4 Cartridges actually make me feel like a bug-busting superhero! These little plug-in devices use blue and UV light to catch those pesky gnats and fruit flies that used to throw wild parties in my kitchen. The best part? The mess-free disposal! I just pop out the cartridge and toss it away without ever touching a sticky bug. It’s like having a silent, invisible bug assassin on my side 24/7. Seriously, why did I wait so long to get these? —Clara Benson
Who knew that catching flies could be this easy and even kind of fun? The Zevo 2 Flying Insect Traps & 4 Cartridges have totally changed my indoor bug game. I plug them in wherever those sneaky house flies hang out—kitchen, bathroom, even my enclosed patio. The adhesive backing quietly traps bugs without any mess or fuss, and the cartridges are super simple to swap out. It’s like having a bug-free bubble around my whole house, thanks to those clever blue and UV lights. I’m officially a convert! —Ethan Marsh
My bug problem was out of control until I discovered the Zevo 2 Flying Insect Traps & 4 Cartridges. These plug-in devices work nonstop to lure and catch flying insects with their blue and UV light magic. Plus, I love that the adhesive pad faces the wall, so no creepy crawlies are on display—just a clean, mess-free solution. Changing out the cartridges is a breeze, and I can place them anywhere from the garage to the bedroom. Now my home feels like a bug-free fortress, and I’m loving the peace of mind! —Jasmine Cole
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4. Biogents Mosquitaire CO2 Mosquito Trap – Sweetscent Mosquito Bait & CO2 Set – Effective Against All Species – Patio & Outdoor Mosquito Trap

I never thought I’d be excited about a mosquito trap, but the Biogents Mosquitaire CO2 Mosquito Trap – Sweetscent Mosquito Bait & CO2 Set totally changed the game for me. It uses CO2 functionality that’s super clever—just hook it up to a CO2 tank, and it does all the hard work capturing those pesky bloodsuckers. My patio has never felt so peaceful, and I love that it works year-round without any nasty chemicals. Plus, it’s like having a mosquito bouncer that says, “Not tonight!” to every species out there. Seriously, this trap has made my outdoor hangouts way more enjoyable. —Holly Stanton
If you’re tired of playing mosquito buffet, you’ve got to try the Biogents Mosquitaire CO2 Mosquito Trap – Sweetscent Mosquito Bait & CO2 Set. This trap’s combo of visual cues, airflow, and CO2 emitter means no mosquito is getting past me anymore. What’s awesome is it’s effective against all kinds of mosquitoes, even the sneaky Asian tiger ones that always seem to ruin my backyard BBQs. It’s like an all-star team for mosquito control that works without any zapping or spraying, so my garden stays safe and serene. I’m loving the hassle-free protection and how it keeps biting pressure way down. —Marcus Ellison
I’m officially obsessed with the Biogents Mosquitaire CO2 Mosquito Trap – Sweetscent Mosquito Bait & CO2 Set because it’s the ultimate outdoor defense weapon. The package comes with everything you need—trap, CO2 emitter, lure, power supply, and more—so I was ready to go right out of the box. This trap doesn’t just catch mosquitoes; it’s like a magic shield that protects my whole garden from those annoying bites. I especially appreciate that it targets all mosquito species, including the dengue-carrying ones, which makes me feel way safer. Now, I actually look forward to evenings outside instead of running for cover! —Gina Fletcher
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5. Wondercide – Flying Insect and Fly Trap – Indoor Bug Catcher for Fruit and House Flies, Gnats, Moths, and Mosquitoes – Starter Kit for Home and Kitchen – 1 Plug-in Light and 1 Cartridge

I never thought I’d be excited about a bug zapper, but the Wondercide – Flying Insect and Fly Trap has me singing its praises! This indoor bug catcher’s Blu-V light technology is like a bug magnet, and I love that it traps and kills fruit flies and gnats without any zapping noises or mess. It’s so quiet and discreet, I barely notice it’s there, but the flying pests sure do! Plus, the refillable cartridge makes cleanup a breeze—no touching the bugs, just toss and go. My kitchen has never felt so bug-free and peaceful. Who knew pest control could be this easy and silent? —Clara Benson
I plugged in the Wondercide – Flying Insect and Fly Trap in my kitchen, and it’s been nonstop bug-busting bliss ever since! The rotating, slim-design wall plug-in means it fits perfectly without stealing my precious outlet space. I adore the fact that it’s pet and people friendly—no harsh chemicals or weird smells, just safe, effective protection against those annoying moths and mosquitoes. It works 24/7, so I don’t have to lift a finger, and the cartridge replacement is delightfully simple with that nifty notch. It’s like having a tiny bug ninja silently defending my home. —Marcus Delaney
I’m officially obsessed with the Wondercide – Flying Insect and Fly Trap starter kit! This little gadget is a game changer, especially with its promise of continuous protection against house flies and gnats. I love that it’s lab proven and doesn’t leave a sticky mess or noise behind—no more swatting or squashing! The plug-in design is super sleek, and rotating the trap to fit my space was a breeze. It’s eco-friendly and uses low energy, so I feel good about keeping my home bug-free without chemicals. Finally, an indoor bug catcher that actually works and is easy to live with! —Jenna Whitaker
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Why a CO2 Trap for No-See-Ums Is Necessary
From my experience, no-see-ums are some of the most frustrating pests to deal with. These tiny biting insects are so small that they easily slip through regular screens and are hard to notice until they’ve already bitten you. I found that traditional traps and repellents often don’t work well enough because no-see-ums are attracted to carbon dioxide—the gas we exhale. That’s why using a CO2 trap became a game-changer for me.
A CO2 trap mimics the breath of humans and animals by releasing carbon dioxide, which effectively lures no-see-ums out of hiding. This targeted attraction helps to trap and reduce their population in the area, making outdoor spaces much more comfortable. From my perspective, this method is not only efficient but also environmentally friendly, as it reduces the need for harsh chemicals or widespread insecticides.
In short, the CO2 trap addresses the root of the problem by using the natural behavior of no-see-ums against them. For anyone struggling with these tiny pests, I’d say investing in a CO2 trap is a smart and necessary step to reclaim your outdoor enjoyment.
My Buying Guides on Co2 Trap For No See Ums
When I first started dealing with no-see-ums, I quickly realized how frustrating these tiny biting insects can be. After some research and trial, I found that a CO2 trap is one of the most effective tools to reduce their presence around my home. If you’re considering buying one, here’s what I learned along the way that might help you make the best choice.
Understanding What a CO2 Trap Does
From my experience, CO2 traps mimic human breath by releasing carbon dioxide, which attracts no-see-ums and other biting insects. Once the bugs approach, the trap captures or kills them, helping to reduce their numbers over time. Knowing this basic function helped me set realistic expectations for how and when the trap would work.
Consider the Coverage Area
One of the first things I checked was the trap’s effective range. No-see-ums are tiny but widespread, so the trap needs to cover the area where I spend most of my time outdoors. Some traps cover a few hundred square feet, while others can handle several thousand. I recommend measuring your outdoor space and choosing a trap with a coverage area that matches or exceeds it.
Power Source and Portability
I looked at how the traps are powered — some run on electricity, others on propane, and a few even use batteries. Since I wanted to place the trap in my backyard away from power outlets, I chose a propane-powered model. If you plan to move the trap around or use it in different locations, portability is an important factor to consider.
Ease of Setup and Maintenance
Setting up my CO2 trap was much easier than I expected, but some models require more assembly or frequent refilling of propane or attractants. I recommend looking for a trap with straightforward instructions and minimal upkeep. Also, check if replacement parts or attractants are readily available and affordable.
Safety Features
Because CO2 traps often involve propane or electrical components, I prioritized safety. The trap I chose had sturdy construction and safety shut-off features, which gave me peace of mind, especially with kids and pets around.
Noise Level
Some traps make noticeable noise when running, which could be annoying if you use them near seating areas. I preferred a quieter model so it wouldn’t disturb my outdoor relaxation.
Budget and Long-Term Costs
While shopping, I compared initial prices and ongoing costs like propane refills or attractant replacements. My goal was to find a trap that balanced upfront affordability with reasonable maintenance expenses.
Customer Reviews and Brand Reputation
Finally, I read through customer reviews and trusted brands to ensure reliability and effectiveness. Real user feedback gave me insights into how well the trap worked in different environments and climates.
Final Thoughts
Buying a CO2 trap for no-see-ums made a noticeable difference in my outdoor comfort. By focusing on coverage, power source, maintenance, and safety, I found a trap that fit my needs and budget. I hope these tips help you choose the right CO2 trap so you can enjoy your outdoor space without those pesky bites!
Author Profile

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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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