DynaTrap
DynaTrap DT1775 1 Acre XL Mosquito & Flying Insect Trap
Trap · Device
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Cons
- No credible evidence it meaningfully reduces mosquito bites
- Mostly catches non-biting insects; a UV-and-fan trap is closer to a quiet bug zapper than a mosquito solution
The full review
Three-stage passive trap from DynaTrap that pairs an AtraktaGlo UV bulb to draw insects with a titanium-dioxide-coated surface the maker says releases a trace of carbon dioxide, then uses a whisper-quiet vacuum fan to pull them into a cage. The up-to-one-acre figure is a marketing coverage claim, not measured bite protection. It runs continuously at about 35 watts, is pesticide-free and silent with no zapping, and the UV bulb lasts around 3000 hours. In practice it catches mostly non-biting insects, with mosquitoes making up a very small fraction of the haul. Independent field research on UV and fan traps shows no measurable reduction in mosquito biting or in yard mosquito populations, so it behaves more like a quiet insect collector than mosquito protection.
Scorecard
Expand any pillar to see exactly why it scored what it did.
Effectiveness45%7No credible field evidence shows this trap meaningfully reduces mosquito bites. Its job is to thin a yard's mosquito population over time, and it works slowly as that population turns over. Results swing widely with placement, competing hosts (nearby people and pets pull mosquitoes away from the trap), and whether you run it all season. Scored on how well it does that job deployed as intended, with a light temper for the real-world swing in placement and competing hosts (lower confidence).
No credible field evidence shows this trap meaningfully reduces mosquito bites. Its job is to thin a yard's mosquito population over time, and it works slowly as that population turns over. Results swing widely with placement, competing hosts (nearby people and pets pull mosquitoes away from the trap), and whether you run it all season. Scored on how well it does that job deployed as intended, with a light temper for the real-world swing in placement and competing hosts (lower confidence).
Evidence & honest claims25%13No published studies in our library directly support this product's active ingredients at their concentrations (base 20). Of 4 marketing claims audited: 1 strong, 1 moderate, 1 weak, 1 unsupported (-7).
No published studies in our library directly support this product's active ingredients at their concentrations (base 20). Of 4 marketing claims audited: 1 strong, 1 moderate, 1 weak, 1 unsupported (-7).
Safety15%75This is a standalone trap, not applied to skin, so there is no dermal exposure and no pesticide vapor or smoke to breathe. Because it lures mosquitoes with CO2, heat, and scent rather than zapping everything nearby, it is far more selective than a bug zapper and does not kill large numbers of harmless or beneficial insects. Place it away from where people gather so it draws mosquitoes toward the trap, not toward you.
This is a standalone trap, not applied to skin, so there is no dermal exposure and no pesticide vapor or smoke to breathe. Because it lures mosquitoes with CO2, heat, and scent rather than zapping everything nearby, it is far more selective than a bug zapper and does not kill large numbers of harmless or beneficial insects. Place it away from where people gather so it draws mosquitoes toward the trap, not toward you.
Transparency15%50This product is a device with no repellent formula to disclose, so it is neither credited nor penalized on ingredient transparency (neutral 50); its claims are audited under Evidence.
This product is a device with no repellent formula to disclose, so it is neither credited nor penalized on ingredient transparency (neutral 50); its claims are audited under Evidence.
Every pillar is scored from published rules. Read how we score.
Coverage & effectiveness
This is a trap: it lures host-seeking mosquitoes with CO2, heat, and scent and captures them, thinning the local biting population over time. It works slowly across a yard rather than protecting you on the spot, and results depend heavily on placement and running it continuously.
Mosquitoes
None- Coverage
- No proven range
No credible field evidence shows this trap reduces mosquito bites, so no reduction figure is assigned. The American Mosquito Control Association cites Notre Dame studies in which mosquitoes were only 4.1 to 6.4% of the catch in UV and zapper-style traps, with no significant difference between yards with and without them, and extension sources report light traps kill overwhelmingly non-target insects. The trace of CO2 the titanium-dioxide coating is said to release is trivial next to a person's exhaled breath, so it does not pull biting mosquitoes off of people. The up-to-one-acre figure describes marketing coverage, not measured protection, so it is not carried through here.
Ingredient disclosure
This product is a device with no repellent formula to disclose, so it is neither credited nor penalized on ingredient transparency (neutral 50); its claims are audited under Evidence.
The manufacturer does not publish an ingredient list for this product.
Claims audit
What the marketing says, versus what the evidence supports.
“Protects up to 1 acre”
OtherWeakCoverage/marketing figure; 'protects' implies bite relief, which field studies do not support for UV/fan traps.
“Kills mosquitoes, flies, wasps, gnats and other flying insects”
EfficacyModerateIt catches flying insects, but mosquitoes are typically a few percent of the catch.
“TiO2-coated surface releases CO2 that is irresistible to mosquitoes”
EfficacyUnsupportedAny CO2 is trivial next to a human's exhaled CO2; no independent evidence it lures biting mosquitoes from people.
“Bug zapper alternative with whisper-quiet, no-zap operation”
OtherStrongAccurate mechanism description; a silent vacuum-fan trap.