Does Fly Spray Kill Spiders?

Have a spider problem around the house? Need a quick and easy way to kill the occasional spider? Everyone usually has some sort of common fly or insect spray laying around their house, but the question is, does fly spray kill spiders?

flyspray

I think you will be happy to know in short, yes, it will kill the spiders.

 

It just it takes a little longer and more spray than it would take to kill flies or other smaller insects. Below you will learn how the fly spray works.
Fly sprays kill flies and spiders in several different ways.

The most common way is by using organophosphates. This insecticide is a nerve agent that blocks the action of acetylcholinesterase which causes the insect to remain in a constant state of contraction which makes the insect unable to breathe or move/fly. Eventually, this causes the insect to die of suffocation.

When killing a spider this way, you will just need to spray it directly at the spider and the area around it. It will take more than flies due to the spider being bigger and somewhat more resistant, but the insecticide will start to work shortly after spraying it. There are other types of insecticides used in different fly sprays, they all use different nerve chemicals that achieve the same result as organophosphates, just in a slightly different way.

Safety First

It is important to keep the spray from young children and pets. It is dangerous to them because the same chemicals used to kill the insects will harm humans and pets. So it is always a good idea to keep the spray locked away and do not spray in areas where children or pets will be.
Before you kill spiders around your house, here’s some information that may change your mind.

Did you know that spiders help control the majority of the insect population around your house? In fact, if it wasn’t for spiders your house will likely be overrun by other insects causing you to have to use other methods of pest control more often. If left alone, spiders are effective pest control.

Also, did you know that only 1/10 of 1% of spiders are actually harmful to humans? Spiders actually help to control other spiders. Non-Venomous spiders actually kill most types of venomous spiders around your house. So it might actually be a good idea to see what type of spider it is before spraying it. If it’s non-venomous, it is best just to relocate it to somewhere safe around the house.

 

Our recommendation

Now that you have learned a little bit about how fly spray will kill spiders and some information on how beneficial spiders actually are, let’s talk about which fly spray is best to use for killing spiders.

One of the best sprays on the market today with top reviews is the Ortho Home Defense Max. This will kill almost any insect you will encounter around your house. It will also create a barrier to keep the insects out for up to 12 months. Making it one of the best value sprays to get.
I hope this information about how fly sprays and its ability to kill spiders was useful for you.

Have a good day!

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