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The most effective natural roach repellent is Borax with its key ingredient of boric acid and diatomaceous earth. But some homeowners may not feel like these are “natural” enough, especially since you can’t use Borax around curious pets or toddlers.

On the other hand, studies have shown that oregano oil mixtures have some of the best repellent effects, and other research indicates that catnip oil, peppermint oil, and citrus oils have notable effects on keeping roaches away. Rosemary oil has been shown to be the most effective natural oil for killing cockroaches outright.

Although weevils aren’t harmful to humans, it’s best to throw out flour (or any food product) if it contains weevils or other pests. However, if you want to salvage food after finding pests nearby in the pantry, you can freeze it for at least four days. To prevent weevils from returning, make sure to store your food in airtight containers or inside your refrigerator or freezer.

Skunks like to forage for grubs in the soil, like worms and insects, but they are also tempted by trash and pet food bowls, so keeping these items out of sight may help keep skunks away. Skunks also like to set up a den in dark places, such as a crawl space or outbuilding.

Termites are generally more destructive than carpenter ants, which is why it’s important to get rid of termites as quickly as possible. Termites will swarm your home to relentlessly feast on its wood frame, sheetrock, insulation, and carpet down to the studs.

While carpenter ants work surprisingly efficiently, they can still take years to damage your home significantly. It can also take termites several years to fully compromise a home's structure. However, the right colony can take down a full house in about a year. Overall, termites are far more diligent when it comes to destroying structures.