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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.

The type and amount of damage pests can cause to your home depends on the type of pest. Some pests, like rodents, often chew through wiring and can cause extensive damage to electrical systems, HVAC systems, walls, and insulation. Additionally, the pest’s waste presents a potential health hazard if it contaminates food or water. Other pests, such as termites, chew through floors, walls, and furniture, causing thousands of dollars in damage and making for costly repairs.

The easiest way to tell what kind of wasp you have is to identify its size, markings, color, and the type of nest it builds. These factors can help differentiate one type of wasp from another, since there are hundreds of thousands of different species. If you need help identifying the wasp type, consult a local pest control professional.

Spotting a single scorpion in the home doesn’t mean you have a full-blown infestation, but it does mean there’s a way for them to get inside. Other scorpions could easily use the same method, like entering through an air vent, as these arachnids are social creatures that tend to live in groups. If you see a baby scorpion, however, that likely indicates a nest somewhere in the home. This is also true if you spot a scorpion with an infant on its back.