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When you spray a roach, the chemicals, usually a mix of neurotoxins like pyrethroids or pyrethrins, start affecting its nervous system almost immediately. It disrupts the roach’s nerve signals, causing paralysis and eventually death. You'll often see the roach twitch, flip over on its back, and stop moving within seconds to minutes.

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.

One scorpion sighting doesn’t necessarily mean there’s an infestation, but finding a scorpion in your home should always be taken seriously. Don’t panic, though, as that will only make the situation more stressful, and you may act irrationally out of fear. Most scorpions have extremely painful stings that cause swelling and redness, but they’re not life-threatening.

However, while not all species are dangerous, the Arizona bark scorpion, which is common in the southwest U.S., is highly venomous and potentially deadly to humans. Never attempt DIY removal if you suspect it may be the Arizona bark scorpion—instead, contact a pest control professional immediately for safe, effective scorpion removal

It takes a few weeks to get rid of roaches in the kitchen for a small infestation, as the cockroaches will need to take the bait back to their nest to infect the others. For larger infestation, you may need to schedule multiple professional treatments, which could take several weeks or up to 6 months to get rid of the roaches fully.