# Will a Bug Zapper Kill Gnats?

**URL:** https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194
**Category:** Insects & Creepy-Crawlies
**Created:** [May 21, 2024, 2:41am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194 "2024-05-21T02:41:16Z")
**Posts on this page:** 15
**Page:** 1

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### Author: ![NatureNerd905](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/n/258eb7/32.png) [@NatureNerd905](https://forums.thanoshome.com/u/NatureNerd905)
#### Post date: [May 21, 2024, 2:41am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/1 "2024-05-21T02:41:16Z")

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Do bug zappers effectively kill gnats? Interested in experiences or expert advice!

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### Author: ![BugBlasterJim](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/b/d2c977/32.png) [@BugBlasterJim](https://forums.thanoshome.com/u/BugBlasterJim)
#### Post date: [May 21, 2024, 2:42am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/2 "2024-05-21T02:42:53Z")

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In my experience, yes, they do! I’ve had a zapper on my porch for months and noticed fewer gnats around.

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### Author: ![GnatHater423](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/g/f14d63/32.png) [@GnatHater423](https://forums.thanoshome.com/u/GnatHater423)
#### Post date: [May 21, 2024, 2:45am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/3 "2024-05-21T02:45:08Z")

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I second this. But make sure it’s a zapper that emits UV light at a wavelength that attracts gnats.

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### Author: ![NaturistBob](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/n/cab0a1/32.png) [@NaturistBob](https://forums.thanoshome.com/u/NaturistBob)
#### Post date: [May 21, 2024, 2:48am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/4 "2024-05-21T02:48:47Z")

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But aren’t bug zappers also killing beneficial insects?

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### Author: ![EcoWarriorAnna](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/e/f17d59/32.png) [@EcoWarriorAnna](https://forums.thanoshome.com/u/EcoWarriorAnna)
#### Post date: [May 21, 2024, 2:49am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/5 "2024-05-21T02:49:04Z")

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That’s true! It’s a trade-off situation. Better to use gnat-specific traps.

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### Author: ![LightChaser92](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/l/b38774/32.png) [@LightChaser92](https://forums.thanoshome.com/u/LightChaser92)
#### Post date: [September 10, 2025, 6:31am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/6 "2025-09-10T06:31:02Z")

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| Bug zappers can kill some gnats, but honestly they’re not super effective. Gnats aren’t always strongly attracted to UV light like moths or flies. |
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### Author: ![GnatAttackTom](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/g/3da27b/32.png) [@GnatAttackTom](https://forums.thanoshome.com/u/GnatAttackTom)
#### Post date: [September 10, 2025, 6:41am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/7 "2025-09-10T06:41:57Z")

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I tried using one on my patio last summer. It zapped a few, but most of the gnats just hovered around my plants instead.

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### Author: ![HomeFixerJen](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/h/82dd89/32.png) [@HomeFixerJen](https://forums.thanoshome.com/u/HomeFixerJen)
#### Post date: [September 10, 2025, 6:44am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/8 "2025-09-10T06:44:44Z")

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@LightChaser92 Right, I noticed the same. They go for moisture more than light, so a zapper isn’t their main weakness.

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### Author: ![OutdoorsyDan](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/o/5fc32e/32.png) [@OutdoorsyDan](https://forums.thanoshome.com/u/OutdoorsyDan)
#### Post date: [September 10, 2025, 6:48am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/9 "2025-09-10T06:48:30Z")

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If gnats are the problem, you might be better off with sticky traps or apple cider vinegar bowls. Works way faster in my experience.

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### Author: ![BugBattleBecky](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/b/d07c76/32.png) [@BugBattleBecky](https://forums.thanoshome.com/u/BugBattleBecky)
#### Post date: [September 10, 2025, 6:52am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/10 "2025-09-10T06:52:22Z")

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I keep a zapper by my back door and it _does_ catch some gnats, but way more mosquitoes and moths. It’s not a total solution.

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### Author: ![PatioPaul](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/p/a9adbd/32.png) [@PatioPaul](https://forums.thanoshome.com/u/PatioPaul)
#### Post date: [September 10, 2025, 6:55am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/11 "2025-09-10T06:55:10Z")

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@BugBattleBecky Totally agree. I think bug zappers are more of a “bonus” against gnats rather than a fix. You need to tackle breeding spots too.

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### Author: ![DIYDave](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/d/4bbf92/32.png) [@DIYDave](https://forums.thanoshome.com/u/DIYDave)
#### Post date: [September 10, 2025, 6:57am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/12 "2025-09-10T06:57:21Z")

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The key is draining any standing water nearby. I used to think my zapper was failing, but once I removed the water sources, the gnats disappeared.

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### Author: ![ScienceSam1](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/s/ad7895/32.png) [@ScienceSam1](https://forums.thanoshome.com/u/ScienceSam1)
#### Post date: [September 10, 2025, 7:01am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/13 "2025-09-10T07:01:24Z")

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Some studies show bug zappers mostly kill harmless insects instead of pests. So don’t expect them to be a magic bullet for gnats.

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### Author: ![GreenThumbAmy](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/g/f0a364/32.png) [@GreenThumbAmy](https://forums.thanoshome.com/u/GreenThumbAmy)
#### Post date: [September 10, 2025, 7:02am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/14 "2025-09-10T07:02:44Z")

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I prefer natural repellents. Basil or lavender plants around the porch actually made a big difference for me.

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### Author: ![NightOwlNate](https://forums.thanoshome.com/letter_avatar_proxy/v4/letter/n/cab0a1/32.png) [@NightOwlNate](https://forums.thanoshome.com/u/NightOwlNate)
#### Post date: [September 10, 2025, 7:08am UTC](https://forums.thanoshome.com/t/will-a-bug-zapper-kill-gnats/1194/15 "2025-09-10T07:08:21Z")

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I still keep a zapper out though—it’s satisfying to hear that “zap” now and then, even if it’s not the most efficient tool 😅.
