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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.

While the term “gnat” is often used as a blanket term for tiny flying insects like fungus gnats and fruit flies, they are different insects. The primary distinctions are in their appearance, diet, and habitat. Fungus gnats are typically darker (gray or black) with long legs and are attracted to damp soil and decaying plant matter, often living in houseplants. In contrast, fruit flies are lighter in color (tan) with shorter legs and are drawn to overripe fruit, high-fructose organic substances, and other sweet materials.

Certain strong smells may help repel bats, though this is not a foolproof method and is best used in conjunction with other deterrence strategies. Scents like peppermint oil, eucalyptus, cinnamon, cloves, and mint are often suggested as natural remedies. To create a spray, you can mix two cups of warm water with half a cup of sugar and a few drops of your preferred essential oil. Apply this mixture using a spray bottle to possible entry points and throughout the affected area, such as an attic. While this home remedy is popular, evidence supporting its effectiveness is limited.

Scent deterrents like ammonia, vinegar, mothballs, and pepper can help keep coyotes away, but these are best used in tandem with other preventative measures. Remember that ammonia and vinegar can kill your plants and/or grass, so it’s best to soak rags in these substances or spray them on hardscaped areas to avoid damaging your landscape.