Wasps are highly territorial insects so the best way to keep them away is to use decorative fake wasp nests placed in strategic areas around your home. This will prevent any wasps with bright ideas of shacking up in your home.
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To rid yourself of wasps who have already made a nest in your house, make a solution of two tablespoons of dishwashing detergent and water and pour this in a spray bottle. Spray the solution directly onto the nest. According to experts, this will kill them instantly.
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Tea Tree oil is the best remedy for spiders. Make a solution with ½ cup vinegar and at least 3-5 drops of tea tree oil and pour it into a spray bottle. Spray in the corners and areas which are most prone to spiders.
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Bedbugs can be a nuisance and if not checked can increase to an infestation. Make a solution of 10 drops eucalyptus essential oil in water and shake it up well. Spray the solution form a spray bottle on mattresses and corners of beds to drive them away. Along with this remedy, place your mattress in the sun frequently which also drives away bed bugs.
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Stink bugs or garden bugs can be really smelly but spraying them with garlic spray gets rid of them. The most important thing is to prevent insects entering your home rather than give them reasons to do so and then try to chase them away. There are many more tricks to prevent insects where you could put sticky insect paper on your kitchen walls or even use a high frequency insect repellent which is perfectly safe for a household.