arid areas

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Which one is better for residual mosquito control:  Bifen, Esfenvalerate, or Eco IC?  Also, is the premixed Cyonara RTS a residual product, or does it only kill when initially applied?

Thanks,
J.

First, all the above listed products provide residual meaning they’ll last for some time after being applied. The CYONARA RTS and the ECO IC will last 2 weeks or more; the ESFENVALERATE can last up to a month and the BIFEN can last several months. However, when treating for mosquitoes, it’s not likely you’ll ever enjoy the full length of residual any one product can provide. There are many reasons why this will happen as explained in our MOSQUITO CONTROL ARTICLE but the bottom line is most yards will require an ongoing program to solve the infestation problem. This program is something that will based on many variables and in fact the length of time the chemical lasts once applied is actually not one of the more “important” variables.

What is important is how well you treat, how big of an area you treat and the local environment being treated. For example, dry arid areas with little vegetation can go long periods of time in between treatments regardless of the product being used. I’m talking a month or longer. Areas with decent moisture, some shade and adequate vegetation, might be able to go every 2-3 weeks between treatments. Extreme situations, such as those with excessive water, shade and lots of shade, may need to be treated twice a week to stay on top of the problem. My point is the only time the length of residual from the product being applied is really important is when you’re dealing with a dry, arid environment. In such situations controlling mosquitoes and other biting pests is easy.

But if you’re in an area like most people with mosquitoes, it’s probably moist and shady and basically a location where mosquitoes can thrive. If that’s your yard, the real question you need to ask is which way of treating will enable you to get the best protection for the longest period of time. As our article explains, liquid spraying is really only suggested for yards which are 5000 sq/ft or less. When treating 1/4 acre or more, it’s usually best to move onto a fogger of some sort. And when fogging, I prefer the Bifen. I use it in my yard and find I can go 2 weeks or more in between treatments. I live on a acre and treat about 2/3’s of it. Most of the area I treat is shady and moist and ideal for mosquitoes. I also know the length I can go in between treatments varies a lot with the local weather. The past few years we’ve been in a drought and I’ve was able to go 3-4 weeks with no problems. This year is entirely different. We’ve been hit with excessive rain for the past year and I can tell the mosquitoes are thriving. I’m already treating (have been since the end of April) and usually I don’t have to start till June!

In summary, it’s important to realize that killing mosquitoes is easy to do. When treating local property, the real key to obtaining success will be based more upon the equipment you use and not the chemical. If you equip yourself with plenty of “spraying” power – whether in the form of liquid or fog – you’ll find success will be easy to achieve and maintain. But if you try to tackle the problem with not enough “fire power”, it won’t matter what you’re spraying – the mosquitoes will win.

Give us a call if you need advice on what equipment might be best suited for controlling the mosquitoes on your property. Our toll free is 1-800-877-7290. And if you’re interested, here are direct links to the products mentioned above:

Cyonara RTS:  http://www.bugspray.com/item/cyonara_rts.html

ECO IC:  http://www.non-toxic-pest-control.com/concentrates/eco-exempt-ic-concentrate

Esfenvalerate:  http://www.bugspray.com/catalog/products/page337.html

Bifen IT:  http://www.bugspray.com/item/bifen_it.html

Mosquito Control Article: http://www.mosquitoes.net/mosquito-control