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If you spot two or more cockroaches inside your home, you should hire an exterminator to conduct an inspection and provide eradication treatments. If you see one cockroach and no others, it may have been a stray that wandered inside. Don’t hesitate to call an exterminator as soon as you see more than one cockroach in your home.

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

When woodpeckers start banging on your walls or roof, they are probably looking for insects to eat, storing nuts for winter, drilling a hole to make a nest, or communicating with other birds to establish territory or find a mate.

The size of the hole can help determine the reason for the pecking. Small irregular holes are a result of insect hunts. Acorn holes are more consistently sized and often fitted with a nut in the middle. Nest holes are large and have rounded edges. If the bird is pecking to mark its territory or attract a mate, it may leave dents rather than holes, and the noise will stop when the mating season starts in spring.

The best termite treatment depends on your specific infestation, home, and budget. According to the Environmental Protection Agency (EPA), the most common professional treatments are soil-applied barrier treatments, like liquid termiticides, and termite baits. Bait stations are placed in the soil and work by moving poison back into the colony to kill the queen. For infestations that haven't fully taken root, barriers and targeted termiticides are often the most effective options. Additionally, preventative measures such as moisture removal and installing physical barriers to protect vulnerable wood are important, particularly during construction or remodeling. It is best to work with a termite professional to determine the right treatment for your situation.