Step 2 spray a liquid insecticide under the eaves and directly at all visible spiders as most sit in the middle of their web without coming into contact with a surface area.
Kill spiders on roof.
Mix herbs such as tea tree oil lavender citronella citrus peppermint and cinnamon with water to get rid of spiders.
They also are natural spider repellents and can even kill them.
While this solution is not what kills spiders instantly it doesn t take long.
For fruit flies we leave little dishes of cloves out.
Diatomaceous earth is best used in small thin layers in hard to reach areas like between and at the backs of cabinets.
It s also possible to buy products designed to kill spiders though you ll want to make sure to buy products that don t risk the health of children and pets.
We use a spray spider kill on the dock and dock lines.
Insecticides that effectively kill spiders include carbaryl bendiocarb chlorpyrifos or any of the synthetic pyrethroids such as cypermethrin cyfluthrin and lambda cyhalothrin.
Incidentally incense sticks are also good to keep flies away as long as you can stand the sickly smell of the perfume.
Only do this if the spider is harmful.
Give this method a try to kill spiders while giving your house a fresh peppermint scent.
If you want to kill the spider without smashing it you can fill your bowl or pan with insecticide killing the spider as you capture it.
This is one of the safer spider killers to use on fabrics in case the sneaky pests decide to stroll across your couch or through your carpet.
It will kill crickets ants roaches and spiders.
In other words if you d prefer not to kill the spiders this method is not for you.
Instead capture it with a jar and release it outside.
If you cannot stand having a spider in the home don t squish it to bits.
Kill the spiders with essential oil.
You could also spray the spider at this point with insecticide or hairspray.
Attach a spray nozzle to a water hose and spray the area under your house eaves with water to knock down and destroy spider webs egg sacs and spiders.
This then leads to dehydration and death.
Harris offers a great odorless spider killer that you can use in your garage or even in your man cave.
As a natural alternative place sticky traps around the perimeter of your attic.
When you combine peppermint oil with a borax solution you create a potent spider killer.
Like insect pests spiders can be killed with diatomaceous earth de which lacerates their exteriors leading to dehydration.
Spread an insecticide around the perimeter of your attic.
Don t kill the spider obviously it isn t pleasant letting spiders roam around your home.