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Killing mosquitoes

1616 Views 5 Replies 5 Participants Last post by  rscurtis
This is a project I did several years ago. I have been asked about it a few times and someone (wheel peel) suggested I should post this.

I bought a Stihl back pack sprayer to use for mosquitoes. I use a 50/50 mixture of permethrin and PBO. It is very effective in killing them off on my wooded property.

I realized right away that I was not up to walking around for an hour with this thing on my back. I knew I had to mount it on something and the 355D was the obvious choice. When I did this originally I had a 355D. I revamped it for the X748.

About 15 acres of my property is wooded and I ride down the trails spraying both sides. I also spray our garden, cabin, and house areas. I use 3 tanks, or 9 gallons of mixture. It takes about an hour including rinsing the sprayer out.

During wet years like this one my property was bordering on useless due to mosquitoes. Now we just have a few here and there.


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That is great... Great use of the blower.

The two chemicals you mentioned, permethrin and PBO. Can you elaborate on those? Or link to the actual containers you buy?

It appears the permethrin is sold as a concentrate but it says it is 10% permethrin. Is this product then diluted per its directions - I am seeing 1 oz to 3 gallons of water.

I would assume the PBO has a similar packaging and recommended mix.

Then you combine both mixes at 50/50 for spraying? I little bit of help on you concoction because it appears you have it down to a science! I am going to visit my folks in Minnesota next week and maybe I will just carry the backpack blower around with me for the whole week!
You will probably need it in MN this year. Been real wet. I used to live there. When I was dating my wife of 46 years we couldn't park in the summer with the windows down.:)

The Permethrin is Surrender brand Termite killer II by Control solutions. It is 13.3%.

PBO is "Exponent" from MGK. it is 91.3% MGK is McLaughlin Gornley King. It is used to prevent immunity.

I get these on line from bugsource.

I mix 8 oz of each to 3 gallons of water. They do not harm birds. Judging from all the birds at my various feeders and having never found a dead one I think that claim is true.
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