mosquitoes and bats

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I have bats in my yard. I also hae lots and lots of mosquitos. If I use a fogger to kill some of the mosquitos will it hurt the bats? Are they going to injest mosquitos with insecticide in/on them?

There would be no danger to the local bats nor is there any chance of them getting sick if you started to fog in your yard to control the local mosquito population. There are several reasons; the following are but just three.

First, insecticides target insects. Though earlier products were “strong” enough to affect non target organisms like mammals, the latest products (and the ones we endorse) aren’t anything like their earlier ancestors. In fact, most every product that poses any hazard to the environment, people or pets has been taken off the market. Today’s actives are as safe as can be and are allowed to be produced only if they prove they’re safe. To prove their safety, they must undergo rigorous testing with one of the main objectives being exposure to non target animals won’t be a threat. With this being the case, we are certain the items we have listed in our MOSQUITO CONTROL ARTICLE for fogging won’t be a danger to the plants, people or animals when used as directed. The real hazard is in the storage of these products since they are concentrated. One must be sure to keep them out of reach to children and pets. But once mixed and diluted down, the finished spray is mild and in fact so safe that many of the products we have listed include labeling for use directly on animals! Remember, dogs, horses and other animals will readily lick themselves so if these products can be sprayed on them and then the animal licks themselves, aren’t they ingesting some? Absolutely. And the only way these products would have a label that allows them to be sprayed on animals would be if in doing so, the animals were not putting themselves in danger. And though a bat might be smaller than a dog or horse, there is just no way they’d ever be able to get a significant amount of pesticide from any mosquito they were to eat.

Second, it’s important to understand how the products work when fogged around the home. Remember, mosquitoes are able to fly. They’re also able to hide amongst the brush and thick vegetation where they prefer moisture and shade. Only when actively feeding will they emerge. The use of a fog is an effective way to target an otherwise elusive pest that can avoid most standard liquid treatments. Fogs and mists will fly around and stay airborne for several minutes. During this time they’ll envelope the area being treated, which should be low to the ground in the 1-8 foot range. Most mosquitoes will stay in the 1-4 foot range as the bulk of “food” for them will be found in this air space. So too should your fogging. When done right, the mist will be present for a few minutes and during this time it will coat local vegetation killing any mosquitoes that might be present. Within moments it will all be gone so even if bats were to fly in the area 5-10 minutes later, it’s not likely they’ll encounter any of the treatment as it all will have settled. But even if they did encounter air with active product in it, the chemical will be so dispersed there is just no chance it could impact them since bats are so much more complex compared to a mosquito.

Third, any mosquitoes that are in the treatment area will die within minutes of the treatment. Unlike spraying for roaches and ants which can take days to kill the targeted insect, mosquito sprays work quickly because mosquitoes are easy to kill. This means there won’t be any “treated” mosquitoes flying around for the bats to ingest but even if there was, the amount any bat could ingest to have an impact would have to be thousands of times more concentrated to bother them. True, bats can eat hundreds of mosquitoes an hour. But if you fog properly, there won’t be any mosquitoes flying for them eat and bats are quick to learn this so they’ll quickly move on searching elsewhere to find food.

So to summarize, the use of our FOGGERS around the home in the yard won’t pose a hazard to people , pets or bats when used properly. the PERMETHRIN is very safe (labeled for use on dogs, cattle and other animals) as is the ECO IC. Use one of these actives and in theory, even if you sprayed a bat directly they’d be fine.

Here are direct links to the products and information mentioned above:

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

Foggers:  http://www.gotosprayer.com/fogging/electric-misters

Permethrin 10:  http://www.bugspray.com/catalog/products/page339.html

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

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