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5 Reasons Your Bug Zapper Isn't Catching Mosquitoes (And What Actually Does)

Here's why millions of homeowners are ditching their bug zappers — and finally getting a backyard they can actually enjoy.

By Sarah Mitchell, Outdoor Living & Pest Control Researcher

Last updated June 2026

❌ 1. Bug Zappers Use UV Light — Mosquitoes Don't Care

UV light is great at attracting moths, beetles, and midges — insects that navigate by light. Mosquitoes are CO2 hunters. They follow your breath, your body heat, and your skin's scent. UV is the wrong signal entirely, and no zapper wattage will change that. The University of Notre Dame proved it: mosquitoes made up just 4.1% of what bug zappers actually caught — across an entire season.

❌ 2. For Every 10,000 Bugs Your Zapper Kills — Only 8 Are Mosquitoes

In a controlled University of Florida study, researchers counted exactly what one standard bug zapper killed in a single night: ~10,000 insects. Eight were mosquitoes. A 10-week University of Delaware study confirmed it — 0.22% of 13,789 insects killed were biting flies. The rest were moths, beetles, and the beneficial insects your yard needs. Your zapper is working perfectly. Just not for mosquitoes.

❌ 3. Your Zapper May Be Making the Problem Worse

Bug zappers kill the parasitic wasps, beetles, and predatory insects that naturally control mosquitoes. Remove the predators — the prey population expands. Notre Dame researchers found yards with active bug zappers actually had more female mosquitoes (the biters) flying around than yards without them. The University of Florida estimates 71 billion non-target insects are zapped across the US every year. You're not solving the problem. You may be feeding it.

✅ 4. Mosquitoes Follow CO2 — BioLure Generates Real CO2

BiteShield combines UV light with BioLure — a proprietary powder that generates real CO2 through two separate chemical reactions, mimicking the exact signals mosquitoes use to find a human host. Yeast fermentation produces a sustained CO2 plume throughout the night. A citric acid + baking soda reaction fires an immediate burst at activation. This is the same CO2-based mechanism used in professional mosquito surveillance programs worldwide. UV attracts moths. BioLure attracts mosquitoes. BiteShield has both.

✅ 5. 17,200+ Homeowners Have Already Made the Switch

Thousands of homeowners have replaced their zappers with BiteShield — and the catch trays tell the story. Solar-powered, chemical-free, and backed by a 30-day money-back guarantee. Setup takes under 2 minutes. Will you be next?

Finally — A Mosquito Trap That Catches Mosquitoes

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Stop filling your yard with dead moths. 

 

BiteShield's BioLure generates real CO2 to target mosquitoes specifically, the only solar-powered trap that uses biological attraction, not just UV light.

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