Once you get them under control, ask yourself why there are so many of them? Why are they out of control?
Just out of curiosity, do you leave your outdoor lights on all night? If you do, try switching to a yellow or amber light to attract less bugs. If you don’t need it on, turn them off. Leaving outdoor lights on all night attracts a lot of insects, which in turn, attracts a lot of spiders.
I have a lot of “Mud Daubers” around here, I may have to deal with their little mud nests, but they help keep the spider population down. They usually build their nests in places that don’t bother me, so I just leave them be. It amazes me how many people kill mud daubers when they see them. All they see is a “wasp” that’s going to sting them. They’re not aggressive at all, and if you can deal with their mud nests here and there, they’re natures best spider control.
I also seem to have a good population of “Blue Tailed Skinks” around my house every year, they help with the spiders on the ground.
I’m not saying this is your case, but a lot of people go about eliminating one “pest”, which allows another “pest” to thrive. Nature has a great system of checks and balances. Disrupting those checks and balances, by eliminating certain pests, leaving unnatural lighting on all night, or chemicals that kill certain insects, while not affecting others, will always have you dealing with one “pest” or another.
I was out in the garage one day and noticed one of the Blue Tailed Skinks running across the driveway. It chased down a Cricket and made a meal out of it. I have seen them in my garage doing the same with spiders before.
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