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DynaTrap Insect Trap with Pole Mount (1/2 acre) $69.98

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Made for all-weather use, DynaTrap catches pesky biting insects in three unique ways, without chemicals, odors or noise. Protects up to half an acre.

About this item
  • Insect and mosquito trap
  • Protects up to ½ acre
  • No expensive attractant or propane required
  • Pesticide and odor free
  • Includes Pole mount & 2 replacement bulbs

https://www.samsclub.com/p/dynatr...od17820232
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Last Edited by eyeslick May 30, 2020 at 05:50 AM
https://hortnews.extension.iastat...apper.html

Bug Zappers are Harmful, Not Helpful
by Donald Lewis, Department of Entomology
Insect electrocuter light traps, also known "bug zappers" have been extensively marketed for the past several years with claims they can provide relief from the annoyance of biting mosquitoes and other pests in your back yard. Their effectiveness has been widely doubted and a few studies have shown they are very poor at killing mosquito females (the sex that bites).

Now comes another study indicating black light traps are not only useless for mosquito, they are potentially harmful to the environment (and not just to the sensitive ears of neighbors trying to sleep next door). Results of a survey of insects caught in an electrocuter black light trap in Newark, Delaware indicate that nearly all of the insects caught are either harmless or beneficial. Pests, and especially biting pests, do not end up in the traps.

According to an article by Timothy Frick and Douglas Tallamy of the University of Delaware published in Entomological News [107(2): 77-82] only 31 insects out of 13,789 trapped and counted (0.22%) in a suburban setting over the course of an entire summer were biting flies. "Biting flies" includes both female mosquitoes and biting gnats.

The largest number of insects (6,670 = 48.4%) were harmless, nonbiting aquatic insects from nearby rivers and streams. These insects, of course, are a vital part of the aquatic food chain and are valuable "fish food." Another important group unfortunately caught in the traps were predators and parasites, that is, biological control organisms such as ground beetles and parasitic wasps that help keep insect pest populations naturally low. Predators and parasites accounted for 13.5% of the insects caught (1,868).

So how good are bug zappers? This study would indicate they are worst than worthless because of the large number of harmless and beneficial insects they kill. Extrapolations calculated by the authors indicate that 4 million bug zappers (4 years worth of approximated sales in the U.S.) operating for 40 nights each summer, would destroy in excess of 71 billion nontarget insects each year. And the number of mosquitoes would still be the same as before. It is clear you should save your money!

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#3
Does it work?
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#4
It has decent reviews on Amazon! I don't have a Sams Club membership but it looks like a decent enough price!
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#5
Just got the non-pole version at Costco for I think $65. I was skeptical, but here in Seattle the difference after two weeks is noticeable. We're across from a public works estuary and tend to get more mosquitos than are normal in the area. Last year was rough, but since I put this thing up I've seen a steady decrease in the number of mosquitoes. At night you can see them circling it and eventually getting sucked in.

It needs to be 20-40 feet away from areas you use. Ours is on the far corner of our garage under the eaves. It needs to be on 24/7 as most the work gets done at night. The fan isn't loud, but if you're near it it is noticeable. Like a laptop fan when pushed a bit.

No idea if this would be effective in a more mosquito prone area or not, but for me it's a keeper.
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#6
Quote from lattiboy
:
Just got the non-pole version at Costco for I think $65. I was skeptical, but here in Seattle the difference after two weeks is noticeable. We're across from a public works estuary and tend to get more mosquitos than are normal in the area. Last year was rough, but since I put this thing up I've seen a steady decrease in the number of mosquitoes. At night you can see them circling it and eventually getting sucked in.

It needs to be 20-40 feet away from areas you use. Ours is on the far corner of our garage under the eaves. It needs to be on 24/7 as most the work gets done at night. The fan isn't loud, but if you're near it it is noticeable. Like a laptop fan when pushed a bit.

No idea if this would be effective in a more mosquito prone area or not, but for me it's a keeper.
I also picked this up from Costco this month. After 2 weeks, I checked the trap and it was loaded with bugs. All we've had is rain in the midwest and I haven't noticed any mosquitoes. Seems to work for me.
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#7
Regarding that linked article saying that bug zappers are bad. That is black light bug zappers and not necessarily the same as this. This used uv light to generate co2 which attracts mosquitoes.

I'd like to see some more studies of the effectiveness and environmental impact of these traps, but I think that study isn't exactly pertinent for this product
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#8
Wonder what the energy usage is on these since it is supposed to be on 24/7
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#9
I don't want to kill nice bugs, you know?
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#10
Quote from twistrman
:
Wonder what the energy usage is on these since it is supposed to be on 24/7
I'm not sure, but it has been tripping my 20amp breaker. I don't have a ton of load on that line. 4 light fixtures (all LED).
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#11
Quote from newintern
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Does it work?
My 1-acre unit filled its bin in one summer, mostly August-September. The bulb died after that time though, only being powered evening to morning.
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#12
Its ok. Not great. I have two of these. I tried keeping it on my porch, but the light isn't intense enough to attract the bugs away from the windows. Its helps more once all the lights are off obviously. I get more moths than anything else. Not a ton of mosquitos (even though we have a lot of them).

I'm not sure I would buy this again if I could do it all over again. But then again, I haven't used anything else so I don't have much to benchmark against. I will say that I've read that you're supposed to put this "away" from where you will be (because obviously the light attracts bugs). But I'm not sure how practical that is...
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#13
Quote from davidus1
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I'm not sure, but it has been tripping my 20amp breaker. I don't have a ton of load on that line. 4 light fixtures (all LED).
Negligible power - 25W or so (0.25A max). Either you have something else wrong, or this is on a gfci breaker and for some reason it's tripping.
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#14
Quote from davidus1
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Its ok. Not great. I have two of these. I tried keeping it on my porch, but the light isn't intense enough to attract the bugs away from the windows. Its helps more once all the lights are off obviously. I get more moths than anything else. Not a ton of mosquitos (even though we have a lot of them).

I'm not sure I would buy this again if I could do it all over again. But then again, I haven't used anything else so I don't have much to benchmark against. I will say that I've read that you're supposed to put this "away" from where you will be (because obviously the light attracts bugs). But I'm not sure how practical that is...
These things are best put 50+ feet AWAY from the house. Try to attract them further away, before they get to the brighter house lights.

I run 2 of these and 2 zappers. The zappers are out of sight until the bug is right up on the door, then they see and are attracted to it. Keeps the pests from coming in the second the doors are opened. These dynatraps are further out, and work really well near sunset, preventing clouds of bug swarms from taking over the yard an hour before dusk.

These devices will always have limitations though - it's about getting fewer bugs (and webs) at the house than without. Mosquitoes will never be killed in large numbers by any zappers or bug suckers.
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#15
Quote from Masejoer
:
These things are best put 50+ feet AWAY from the house. Try to attract them further away, before they get to the brighter house lights.

I run 2 of these and 2 zappers. The zappers are out of sight until the bug is right up on the door, then they see and are attracted to it. Keeps the pests from coming in the second the doors are opened. These dynatraps are further out, and work really well near sunset, preventing clouds of bug swarms from taking over the yard an hour before dusk.

These devices will always have limitations though - it's about getting fewer bugs (and webs) at the house than without. Mosquitoes will never be killed in large numbers by any zappers or bug suckers.
Funnily enough, these work great *indoors* lol
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