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Roaches have a strong sense of smell and are repelled by a variety of potent aromas. Scents that can help deter them include citrus (such as lemon and orange), herbs like peppermint, mint, basil, thyme, and oregano, spices like bay leaves, cinnamon, clove, and garlic, as well as lavender, eucalyptus, citronella, tea tree oil, and vinegar.

You can use these scents in several ways to create an unwelcoming environment for roaches:

• Plants: Place mint or lavender plants in your home or garden.

• Powders and Leaves: Sprinkle garlic powder or place crushed bay leaves and citrus peels in high-risk areas like kitchens, bathrooms, and entry points.

• Sprays: Create a diluted solution with scents like lemon or vinegar to spray in your home. These can also be used in cleaning products or as room fresheners.

• Essential Oils: While essential oils of these scents can be used, be cautious as they can be toxic to pets if inhaled.

It is important to note that while these smells can help keep roaches away, they typically do not kill them and may not be enough to drive out an existing infestation entirely. For best results, combine these scent-based deterrents with regular cleaning. Be sure to clean up all food spills, crumbs, and dirty dishes promptly, and keep trash cans covered with a tight-fitting lid to remove potential food sources.

The cockroach most easily confused with water bugs is the Oriental cockroach, for several reasons. Their shape is most similar to a water bug, and they’re notorious for seeking out and living near water. If you capture one of these bugs close to a water supply, you can quickly tell if it’s an Oriental roach or a water bug. These roaches are a darker color, and they cannot fly, while water bugs are a lighter brown and can fly to escape.

Moles live underground and feed on insects. They dig and move through tunnels, usually in meadows or forests but sometimes in lawns and gardens. They are about 6 inches long with large claws, tiny eyes, and hidden ears. 

Shrews do not dig their own tunnels but will use other animals’ tunnels, and are about 3 to 4 inches long. They look similar to mice and feed on insects.

Voles are similar in size to moles but have large eyes and small but visible ears. Rather than eating insects, voles are herbivores that prefer seeds, grasses, and plant roots.

Fruit flies are more common during warm-weather months and may go away on their own in late fall once temperatures drop. However, they can survive year-round indoors as long as there's food available, so you'll likely want to take a proactive approach to get rid of them and stop the spread of bacteria.