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Pest Control questions, answered by experts

Squirrels rely heavily on their sense of smell and are deterred by a variety of scents. Some of the most effective smells for repelling them include peppermint oil, coffee grounds, white vinegar, garlic, cinnamon, rosemary, and predator urine. They also have a strong aversion to capsaicin, the compound that makes chili peppers hot, making capsaicin-based sprays an effective repellent for areas like gardens or bird feeders. For a DIY solution, you can create a spray from garlic and vinegar and apply it daily. Additionally, squirrels dislike strong, fresh scents, so placing items like strong-smelling soaps or dryer sheets in areas they frequent can also help keep them away.

You can easily find sprays that claim they are safe for pets and kids. However, we’d rather not use them in our own homes if we’re worried about pet safety: They still include pesticides and other chemicals, and are best avoided in any food prep areas like the kitchen, or any spots where children and pets may place. That’s why sprays didn’t end up in our suggestions for the safest options.

Roaches entering your home or infesting an area are usually the result of poor sanitation. Cockroaches feed off of crumbs, spills, food scraps, and other organic matter, so they’re more likely to stick around and come back for more if your space isn’t cleaned up regularly. Maintain your home and prevent roaches by cleaning the kitchen area daily, sealing food tightly, removing open water sources, and eliminating clutter.

Neither the black widow nor the brown recluse are deadly spiders, and North America has no deadly species. However, other places in the world do, including Australia, which is home to the funnel web spider, considered the world’s deadliest spider. However, Australia has not reported deaths from a funnel web spider bite over the past few decades after developing an antivenom.

An owl's worst enemy in the wild is often other raptors and environmental factors. Among the avian threats, larger owls or other birds of prey can pose a danger, engaging in territorial disputes or competing for food resources. Terrestrial predators like foxes, raccoons, and larger mammals may target owl nests or young fledglings. Environmental factors like severe weather conditions, habitat loss, and food availability changes can also significantly impact owl populations.

The Columbus, PA homeowners’ guide to pest control services

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