10 Best Indoor Co2 Mosquito Trap of 2025

Tested and Reviewed: Top 10 Indoor Co2 Mosquito Trap deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

KATCHY

Katchy Indoor Fly Trap– Catcher & Killer for Mosquito, Fruit Fly, Gnat & Small Moth – Non-Zapper Trap with Fan Suction & Blue UV Light – Ideal for Indoor Spaces, Kitchen & Plants (Original, White)

Editor's bottom line:

“This indoor co2 mosquito trap is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Triple trapping power: a UV light, powerful fan, and sticky glue board combine to effectively get rid of fruit flies, gnats, mosquitoes, and other small bugs (not effective on house flies). Simply turn on/off when needed.
Contact-free disposal: No zapper needed! Glue boards allow for clean and contact-free insect disposal. Includes four complimentary glue boards; additional ones can be purchased at any time through our brand store. Replace regularly for best results!
No more ugly traps: Subtle and sleek, Katchy will fit seamlessly inside of your home, where it is frequently used in kitchens, entryways, and offices.
Multiple settings to fit your needs: includes two fan settings to accommodate desired power and noise level.
Works for multiple insect types: Is effective in killing fruit flies, gnats, and mosquitos. Not effective on house flies. Registered with the EPA under EPA Est. Numb.:93372-CHN-1.

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Picked by 397 people today

9.5

KATCHY

Katchy Duo – Indoor Flying Insect Trap with Scent Pod – Day & Night Effective – Mosquito, Fruit Fly, Gnat & Small Moth Catcher – Non-Zapper Trap with Blue UV Light & Fan Suction (Black)

Main Highlights

2-IN-1 INSECT TRAP: Lures bugs in with a 360-degree ring light and removable pod for liquid bait. Once theyre close, the powerful but silent fan and hidden glue board makes sure they cant escape.
MULTIPLE SETTINGS TO FIT YOUR NEEDS: Five adjustable light and fan settings allow you to customize Katchy for your needs. Also has an optional 'automatic' mode to turn the machine on automatically in the dark and back off in the light to save energy and ensure it's used most effectively.
CONTACT-FREE DISPOSAL: No zapper needed! Glue boards allow for clean and contact-free insect disposal. Includes four complimentary glue boars; additional ones can be purchased at any time through our brand store. Replace every 3-4 weeks for best results!
NO MORE UGLY TRAPS: Subtle and sleek, the Katchy will fit seamlessly inside of your home, where it is frequently used in kitchens, entryways, and offices.
WORKS FOR MULTIPLE INSECT TYPES: Is effective in killing fruit flies, gnats, and mosquitos. Not effective on house flies. Registered with the EPA under EPA Est. Numb.:93372-CHN-1.

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9.5

DynaTrap

DynaTrap DT152 Indoor Insect Trap and Killer – Catches and Kills Gnats, Flies, Moths & Other Flying Insects

Main Highlights

DISCREET DESIGN: These fly and gnat traps feature a sleek black finish and decorative basket that effortlessly blends in with any décor, and the whisper-quiet fan means you can use it anywhere
4X TRAPPING POWER: The UV-LED light of this indoor fly trap attracts flying insects, while CO2 lures them in. The powerful fan then sucks them inside, where the StickyTech glue cards trap and kill them
INCLUDES STICKYTECH GLUE CARD: DynaTrap 21523 replacement refill StickyTech glue cards forDT152 DynaTrap indoor insect trap and killer sold separately
RESULTS YOU CAN SEE: The indoor mosquito trap is effective against a variety of flying insects known to plague homes, including fruit flies, gnats, moths, mosquitoes, and more
EASY TO USE: Plug the flying insect trap into a wall outlet or USB port, insert the included StickyTech glue board in the basket, and let the trap do the work for you

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9.2

OWLTRA

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

Main Highlights

Strong Trapping Power: OWLTRA indoor & outdoor electric insect trap attracts insects with a UV light that generates heat & CO2. After the ultraviolet light attracts mosquitoes to the lamp, a powerful suction fan then forms a high-speed air stream and draws mosquitoes into the device. The targeted insects can thus be effectively captured. 3 bulbs for replacement are also included.
Wide Range of Targeted Species: Our insect trap attracts a variety of insects including mosquitoes, biting flies, wasps, moths, sink bugs, no-see-ums and more! It does not attract honey bees or butterflies. (Same as you - we love these pollinators!) The 360° round and transparent design allows insects to fly in from all angles, without any square corners blocking the insects, ensuring a higher capture rate.
All-Weather Operation: OWLTRA electric insect trap has a waterproof level IPX4. It is fully weatherized and can be used in all-weather conditions - rain or shine.
Large Area of Protection: This Insect Trap protects up to 1/2 acre, and is suitable for various outdoor scenes, including villa courtyards, camping bases, and gardens. It is suitable for both home and commercial use, and indoor and outdoor usage, although more suitable for outdoor usage due to its size and brightness.
Our insect trap is safe and eco-friendly. Efficient UV Light. No bait needed. Safe for your children and pets!

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9.0

ZEVO

Zevo 2 Flying Insect Traps & 2 Refill Cartridges - Plug in Fly Trap & Indoor Bug Catcher for Gnats, House & Fruit Flies - Blue & UV Light Technology, Mess-Free Alternative to Bug Zapper

Main Highlights

Catch Flying Insects 24/7 - This flying insect trap uses blue and UV light to attract and catch house flies, fruit flies and gnats. Its continuous attraction helps it catch insects day and night.
Mess-Free Disposal - This indoor fly trap and gnat catcher uses a powerful adhesive backing you will never have to touch. The adhesive pad can discreetly catch bugs, and discreetly faces the wall.
Easy-to-Use - To use, remove the sheet from its adhesive backing, insert the disposable cartridge and plug the indoor bug trap into locations where bugs frequent. When full, lift the cartridge out of the insect catcher, and toss it in the garbage.
Versatile Placement - You can place this plug in bug trap in your kitchen, bathroom, garage, bedroom, dining room, enclosed patio or in any socket near plants. These insect traps can be used indoors for easy, year-round protection.
Includes 2 Plug-In Devices and 2 Cartridges - Each of these plug in fly traps come with one cartridge. Shop our full collection to stock up on refills to ensure you always have one on hand.

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8.8

STEM

STEM Flying Insect Fan Trap for Indoor Bug Control, Attracts Mosquitoes, Fruit Flies, and House Flies, Plug-in Fan with UV Light, Starter Kit Includes 1 Device and 5 Glue Traps

Main Highlights

Dual Attraction Technology: The fan and blue light work together in this portable bug trap to attract and trap mosquitoes, fruit ies and house ies
Powerful Fly & Mosquito Trap: Perfect for areas of your home where insects are present, this bug catcher quietly controls pests so you can enjoy a peaceful space
Customizable Settings: Use the touch display to select your ideal fan speed and set a timer for 3, 8, or 12 hours, or opt for continuous 24/7 operation
Indoor Pest Control: Includes 5 mess-free glue traps and a 6-foot cord, oering portability for easy setup in your home or enclosed patio
How It Works: Flying insects are attracted by the discreet UV light, while the quiet fan pulls them into the device where pests are captured on the sticky glue trap; Replace glue card when full
People & Pet Friendly: This odorless y trap is crafted without chemical insecticides, making it family- and pet-friendly when used as directed

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8.6

FVOAI

Fruit Fly Trap for Indoors, Fly Traps Indoor for Home Indoor Insect Trap with Suction, Time Setting, Bug Light & 10 Pcs Sticky Glue Boards (White)

Main Highlights

Effective Result: Place insect traps indoor near fruits, plants or garbage cans and turn off lights for best effect. Fly traps catch fruit flies, mosquitoes, small insectsmoths and small bugs, paired with sticky glueboards, insects have nowhere to escape.
Time Setting Option: Plug in the usb cable and adapter, press the bug traps indoor on/off button to work. Continuous run or 6/12 hours timing function, more convenient to daily use.
Widely Use and Low Noise: Fruit fly traps for indoors adopts physical mosquito control, safe and low noise. Mosquito trap are commonly used in homes, kitchen, living room,restaurants, and other areas where flies can be a nuisance or a health hazard.
Excellent and Stylish: Mosquito trap indoor takes up less space and can seamlessly blend into your home decor. The discreet and stylish design ensures that these traps work efficiently without compromising the aesthetics of your indoor spaces.
Easy to Clean: Gnat traps indoor with 10 sticky glue boards. Just open the bottom tray, remove the used sticky glue boards and replace it with new ones.
Safe for Kids and Pets: The mosquito killer trap is non-toxic and noiseless.Safe to use it around your kids and pets! EPA Est. Numb:96587-CHN-1

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8.3

Biogents

Biogents Mosquitaire Outdoor Mosquito Trap with CO₂ Booster & Sweetscent Lure | Eco-Friendly, Pesticide-Free, Pet-Safe Repellent Alternative | Electric Catcher for Comprehensive Mosquito Control

Main Highlights

Everything You Need to Start Includes 1 Mosquitaire trap, CO emitter and valve (connect to a tank), 1 Sweetscent lure (lasts up to 2 months), 2 catch bags, 1 funnel net, a 12V power supply, and a 33 ft extension cord. CO tank not included.
Bite-Free Living, Backed by Science Developed by entomologists, the Biogents Mosquitaire CO system replicates human scent and breath to lure mosquitoes away before they biteso you can enjoy your yard again.
Proven to Capture More Mosquitoes Engineered for maximum efficiency, the Biogents CO system significantly increases catch rates by attracting a wider range of mosquito species, including Aedes aegypti, floodwater mosquitoes and other biting insects drawn to CO. Ideal for high-activity areas where ordinary traps fall short.
Simple Setup, Long-Lasting Protection Place the trap in a shaded, humid area, attach the CO valve (set to 500g/day), insert the attractant, and power it on. The low-noise fan does the rest.
Safe, Eco-Friendly Control No pesticides. No zapping. Just continuous, family- and pet-safe protection using airflow, scent mimicry, and CO to attract and trap a wide range of mosquitoes, not pollinators.
Expand Your Mosquito Defense Add the Biogents CO Timer (sold separately) to conserve gas or pair with the GAT trap to capture egg-laying mosquitoes and break the breeding cycle.

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8.1

DynaTrap

DynaTrap DT160 1/4 Acre Mosquito Trap & Flying Insect Trap – Kills Mosquitoes, Flies, Gnats, Wasps, & Other Flying Insects – Mosquito Zapper & Bug Zapper Outdoor Alternative – Black

Main Highlights

What We Catch Attracts and traps mosquitoes, biting flies, house flies, moths, no-see-ums, June beetles, wasps, yellow jackets, stink bugs, gnats, and biting midges
3-Way Protection The AtraktaGlo UV light, diffuser, and TiO2 coating lure insects to the trap, then the whisper-quiet fan sucks them into the basket
Powerful Protection The trap effectively protects up to 1/4 acre of your property
All-Weather Construction A durable, lightweight design for indoor or outdoor use. Keep it continuously running for non-stop insect protection
Discreet Design - The sleek black finish will effortlessly blend in with your décor and the whisper-quiet fan will make you forget its even there
Easy to Use Place traps 3-6 feet above the ground and 20-40 feet away from people. Plug the trap in and empty the catch basket as needed

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8.1

BURLAN

Flying Insect Trap Plug in Mosquito Bug Zapper Indoor Gnat Moth Catcher with 9W Night UV Light, 10 Sticky Glue Board Refills for Home Office

Main Highlights

Works Fast: The fly traps featured with double wavelengths of 365-395 NM UV light that starts working immediately to attract, trap, and kill flies, fruit flies, moths, gnats
Ideal for Your Home: It has no odors and no messes. Making it the choice for homes with children and pets
Easy to Use and Reusable: Simply insert a glue card and plug the trap into an electrical outlet. Refill glue cards are available for continued insect protection."REMEBER FOR RESULTS DARKEN THE ROOM FROM ALL OTHER LIGHT SOURCES"
Discreet Design: Flying Traps not only kill flies , but also get rid of fruit flies, gnats, moths,mosquitos and other small bugs.Trapped insects are hidden on the back of the glue card
10 GLUE BOARDS + 9W UV BULBS: We have added to Fly Trap set 10 Glue Boards, to ensure that you have refills for a longer period of time. and the 9W UV light naturally attracts flying insects to the trap to protect large rooms
Sleep Assistant: It can be used as a night light. Different from bug traps, the small moth catcher protects your eyes from the direct insight of ultraviolet rays. It will constantly light up in night until you turn it off manually
Package Includes: 1* Burlan Flying Insect Trap Device, 10* GLUE BOARDS

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Our Best Overall Choice

Best Choice

9.7

KATCHY

Katchy Indoor Fly Trap– Catcher & Killer for Mosquito, Fruit Fly, Gnat & Small Moth – Non-Zapper Trap with Fan Suction & Blue UV Light – Ideal for Indoor Spaces, Kitchen & Plants (Original, White)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Triple trapping power: a UV light, powerful fan, and sticky glue board combine to effectively get rid of fruit flies, gnats, mosquitoes, and other small bugs (not effective on house flies). Simply turn on/off when needed.
Contact-free disposal: No zapper needed! Glue boards allow for clean and contact-free insect disposal. Includes four complimentary glue boards; additional ones can be purchased at any time through our brand store. Replace regularly for best results!
No more ugly traps: Subtle and sleek, Katchy will fit seamlessly inside of your home, where it is frequently used in kitchens, entryways, and offices.
Multiple settings to fit your needs: includes two fan settings to accommodate desired power and noise level.
Works for multiple insect types: Is effective in killing fruit flies, gnats, and mosquitos. Not effective on house flies. Registered with the EPA under EPA Est. Numb.:93372-CHN-1.

Show Price

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