To Deal With Pests
2 tsp. peppermint oil
1 cup of water
1/2 tsp. lavender oil
grind up a couple horse chestnuts or walnuts into a fine powder then let them dissolve in the mix.
Apply as wash directly spraying the spider might kill it.
a) Give them corn meal (disrupts scent trails and colony)
b) Flour (creates barrier)
c) Chalk line (another barrier)