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STEM

STEM Light Trap: Indoor Fruit Fly Trap, Effective Insect Control for Home, Attracts and Traps Flying Insects, Emits Soft Blue Light, Starter Kit with 2 Plug-In Devices and 2 Cartridges

  • Based on 517 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Jul 28
Order within 13 hours and 43 minutes
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Size: 2 Devices + 2 Cartridges (Pack of 1)


Features

  • LIGHT TRAP: Effective flying insect and fruit fly trap that attracts and traps a variety of flying insects, including mosquitoes, gnats and moths
  • INSECTICIDE-FREE: This discreet, plug-in flying insect trap is crafted without chemical insecticides; no mess, no noise, no odor
  • REMOVE FLYING INSECTS: Use as a gnat trap, mosquito trap and fruit fly catcher
  • PEOPLE & PET-FRIENDLY: Place this family-friendly, pet-friendly* flying insect trap in any room of your home (*when used as directed)
  • HOW IT WORKS: Simply insert the sticky refill cartridge into the light trap base, plug into a wall using the customizable 90-degree rotation and watch it work as the blue light glows

Description

STEM Flying Insect Light Trap is an easy, mess-free option for attracting and trapping a variety of flying insects like fruit flies, gnats, mosquitoes and moths. Use this discreetly-designed fruit fly trap in any indoor room where insects are present, especially around fruit, trash cans, garages and entryways. Enjoy the odor-free, soft blue light technology that carefully traps insects with no chemical insecticides. We crafted our moth and mosquito trap to be people, plant, pet-friendly for 24/7 continuous attraction. It's easy to use and install. Simply remove protective peels, insert the dual-sided adhesive cartridge into the flying insect trap base, plug in to a wall, and position using the customizable 90-degree rotating plug and leave on 24/7. No need to touch any bugs or get your hands sticky. Replace the cartridge every 14 days or when cartridge is full of bugs. This bug trap is compatible with Raid Essentials light trap refills as well. when used as directed

Brand: STEM


Color: White


Style: 2 Light Traps + 2 Refills


Product Dimensions: 6.75"L x 8.38"W x 3.13"H


Item Weight: 0.3 Kilograms


Number of Pieces: 4


Recommended Uses For Product: Fruit Fly Trap


Target Species: Gnat


Unit Count: 1.0 Count


UPC:


Brand: STEM


Color: White


Style: 2 Light Traps + 2 Refills


Product Dimensions: 6.75"L x 8.38"W x 3.13"H


Item Weight: 0.3 Kilograms


Number of Pieces: 4


Recommended Uses For Product: Fruit Fly Trap


Target Species: Gnat


Unit Count: 1.0 Count


UPC: 046500045301


Global Trade Identification Number:


Item Weight: 10.5 ounces


Manufacturer: SC Johnson


Country of Origin: USA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Almost returned these
Size: 2 Devices + 2 Cartridges (Pack of 1)
I purchased my first set of this specific brand thru a different retailer when they were on sale. They worked so well I had to order refills almost immediately and then bought two more of these devices from Amazon. When I initially set up the devices, I waited 24 hours to see if they caught anything. The sticky pads were completely clean. I filed a return request and then packed one up. I moved the other device to a different room, just in the hopes that maybe, MAYBE it'd catch something there. And boy did it. Holy smokes. The other one caught so many flies it looked like the sticky pad had been dipped into a jar of flies (where my Alice in Chains fans at? lol. But seriously...). I cancelled the return request, unpacked the second device and moved it into different room than where I had placed it previously, where it ended up working very well too. Here's some advice if you're not having luck with these: 1) Place the device in a room where it won't be competing with other light sources, especially sunlight. For instance, there're no windows in my bathrooms, neither one gets very much light from any nearby windows, and it is absolutely comical how many flies the devices catch in there. When I initially set them out, they were in my kitchen, which is open to the living room with a large window in it, so they both receive a lot of light for nearly 2/3rds of the day, so these devices did not catch anything there. 2) To really be effective against fruit flies, take away competing temptations such as food and places to lay eggs. And I do mean FORGET the finicky home made vinegar traps that seem to trap only a few, less evolved flies dumb enough to try to land directly on the liquid, and just feeds the rest (who thank you, btw). If it's possible for you, store fruits and veggies that you might typically keep out on your counter or wherever in your fridge until the population has been reduced. If you are able, only throw "dry" trash away in your trash bins (non-food related paper type stuff), and throw "wet" trash such as food discards and wet paper towels into smaller grocery bags (maybe double bag it tho) and place that bag in the refrigerator or freezer, somewhere where it's not coming into contact with food and beverages, until you're ready to put it outside your home to be collected. And if you're wondering what to do for areas that do have competing light sources, personally I use the SafeHome uv type devices and they work very well where the STEM ones don't. Or, get yourself a nice fly swatter, wait for them to congregate on a window or a large white surface during daylight hours and then smack the crap out of 'em. You'll of course need some glass cleaner and newspaper or other wipes to clean the surface afterward, but such is the price of fruit fly war. I hope this helps! ... show more
Reviewed in the United States on June 15, 2024 by CK
    • Catches a bunch of fruit flies!
Size: 2 Devices + 2 Cartridges (Pack of 1)
I had a fruit fly problem. I tried another brand of light/sticky trap and was unimpressed. The STEM trap, however, has impressed. It has sticky pads on both sides of the insert, which makes sense, instead of just one side like some others. It really seems to do its work during the night time. It catches not only fruit flies but small moths and house flies. I recommend this product. ... show more
Reviewed in the United States on June 21, 2025 by Philip W. Job
    • Not a good product
Size: 2 Devices + 2 Cartridges (Pack of 1)
Had these for two weeks and my dog has trapped more bugs. Pretty blue night lights but completely ineffective
Reviewed in the United States on June 20, 2025 by Brian Dudley
    • Attracts & holds bugs ~ not easy to remove backing
Size: 2 Devices + 2 Cartridges (Pack of 1)
It definitely attracts & holds the bugs!! - ease of use : needs a cleaner way to remove paper backing, some sticks to the paper & or the fingers. Put a pull tab or something & easier to remove please??
Reviewed in the United States on June 3, 2025 by NENE
    • Actually works!
Size: 2 Devices + 2 Cartridges (Pack of 1)
Review Image by Linda R Linda R
Pleasantly surprised that this actually works. Needs to be visible and in areas where fruit flies, gnats etc. congregate. Photo may be difficult to see, doesn't do it justice but should give you the idea.
Reviewed in the United States on July 3, 2025 by Linda R Linda R
    • Didn’t work on flies
Size: 2 Devices + 2 Cartridges (Pack of 1)
It worked on the fruit flies somewhat, but the bigger flies didn’t get caught in it
Reviewed in the United States on June 30, 2024 by Kindle Customer
    • good!
Size: 2 Devices + 2 Cartridges (Pack of 1)
these work awesome and aren’t ugly to have out in open spaces and the light feature is great! Caught all my bugs and gnats haven’t had any issues with them since!
Reviewed in the United States on June 6, 2025 by lauren
    • Best of both "technologies"
Size: 2 Devices + 2 Cartridges (Pack of 1)
Hello from AZ--I woke up with mosquito bites on my arms and face! I had already tried several electronic devices to the tune of $70, with minimal to no success, and went back to citronella candles outside my doorways--not great. These bug traps are really effective--a little pricey, but worth it--I haven't been bitten since I plugged them in! I have one near my bed, and 2 others in my house. All you have to do is check the trap to see what is NOT crawling on you while you sleep--whew! ... show more
Reviewed in the United States on June 7, 2024 by sharon Yuda

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