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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.

Armadillos have very strong smelling capabilities to track down insects efficiently. But this superpower is actually a double-edged sword because their extreme sense of smell also causes them to be more sensitive and deterred by strong odors. To keep them at bay, you can place small amounts of substances like vinegar, ammonia, and mothballs around your property and near armadillo hotspots.

Although you can technically flood an armadillo out of its hole, it’s important to remember that this can be potentially fatal to the animal. Armadillos sleep between 16 and 18 hours a day, and if you perform this technique while they’re deep in sleep, they may not awake soon enough to save themselves.

If you find bed bugs on your mattress, your first step is to put your sheets, pillowcases, pillows, and nearby linens into a trash bag and wash them in hot water. Then, vacuum your mattress and the rest of your bedroom, paying special attention to the mattress seams and crevices near your headboard. Next, use one (or more) of the solutions listed above to kill any live bugs, or call an exterminator for a professional treatment.

Squash bugs technically aren’t invasive, as they are native to North America. However, this doesn’t mean that they aren’t incredibly destructive. These pests can cause significant damage to squash, pumpkins, and other cucurbit crops by feeding on plant sap and injecting toxins that cause leaves to wilt, dry out, and die. In large numbers, squash bugs can decimate entire plants (especially younger ones), making them a major nuisance for home gardeners and commercial growers alike.