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726 posts

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  Reply # 1518340 23-Mar-2016 12:16
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TinyTim:

 

jpoc:

 

The last thing that you should consider using is one of those UV zappers or electrical fly swatters.

 

What happens when one of those gadgets zaps an insect?

 

Current passes through the insect's body, the insect presents a resistive load and the current causes it to heat up.

 

Part of the internal fluid inside the fly will boil and that will cause a huge spike in internal pressure and thus the insect's body will rupture.

 

Only part of the insect will be heated up and most of the fluid will be expelled as an invisible cloud of drops that will fall out over an area a couple of metres across.

 

Those droplets will be full of the bacteria that are present in the insect's gut.

 

When I was living in Germany, some consumer show examined the surfaces in the vicinity of a zapper in a restaurant and they found bits of congealed fly insides all over the surfaces near to the zapper and they also pointed out that anyone in the vicinity of a zapper when it had just zapped a fly would be inhaling the droplets - germs included.

 

Not in my kitchen thank you.

 

 

 

 

Presumably the heat would also kill the germs...?

 

 

No, not at all. It only takes a tiny proportion of the fly's internal fluid to boil and burst it apart. The germs in the fly's gut will survive that. You can find live bacteria on the ground in a circle around the zapper. As was shown on German TV.


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Ultimate Geek
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  Reply # 1518345 23-Mar-2016 12:24
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In my experience, the most effective thing for knocking them out of the air is household cleaning spray.

 

The stuff designed for cleaning showers works best but all types will do.

 

One spray and they can no longer flap their wings and down they go. Then I just pick them up in a sheet of kitchen paper towel, wrap it all around them, give them a little squeeze and drop them in the toilet.

 

No poisons, nothing to harm your kids, pets, and goldfish and while the spray does not kill, it really does knock the things out of the air in an instant.


 
 
 
 


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  Reply # 1519107 24-Mar-2016 15:21
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The amazing Fly Gun!!

 

 

From Jaycar,





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  Reply # 1519321 24-Mar-2016 21:29
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Also to kill wasps. A direct hit with some CRC kills them way faster than fly spray. The thin oil suffocates them. Average time 10
seconds between spray and completely dead. I always keep a can with me when working outside at home. Sure no good to kill a whole nest. But perfect to kill any that are annoying you.





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  Reply # 1520488 27-Mar-2016 18:27
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Aredwood: Also to kill wasps. A direct hit with some CRC kills them way faster than fly spray. The thin oil suffocates them. Average time 10
seconds between spray and completely dead. I always keep a can with me when working outside at home. Sure no good to kill a whole nest. But perfect to kill any that are annoying you.

 

 

 

Like this ?

 





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  Reply # 1520590 27-Mar-2016 22:38
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Nope, just the CRC without fire. But I do have a butane torch that attaches to the cans that are normally used in those single burner portable gas hobs. You just have to turn the can upside down, and it shoots out liquid butane. It goes from a compact blue flame to a 1m or so long yellow flame. Was perfect for getting rid of an underground nest at a friends place. Which they had exposed when removing a rotting retaining wall. $20 well spent.






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  Reply # 1520596 27-Mar-2016 23:27
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I've found these fly traps from Mitre10 work great and only cost around $10. They catch several hundred flies per bottle so with two outside in the garden at a time the house is virtually fly free year round. They absolutely reek after a few weeks as they fill up so keep them a fair few meters away from doors/windows :). 

 

Don't bother buying refills, you won't want to open the bottle up!

 


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  Reply # 1520870 28-Mar-2016 19:11
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My husband made some home made similar ones that worked very well but they look so disgusting I wouldn't let him keep them or make any more. Yech!

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  Reply # 1520874 28-Mar-2016 19:21
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insane:

 

I've found these fly traps from Mitre10 work great and only cost around $10. They catch several hundred flies per bottle so with two outside in the garden at a time the house is virtually fly free year round. They absolutely reek after a few weeks as they fill up so keep them a fair few meters away from doors/windows :). 

 

Don't bother buying refills, you won't want to open the bottle up!

 

 

Picked up a similar one from Mitre 10 today - they don't seem to sell the same model as in your picture.

 

Did you add in extra bait and/or water to be able to catch that many (mine says add only 3/4 cup of water), ie add more as the level of dead bodies starts to mount up? Ta...


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