As the weather turns colder, many of us seek refuge in the warmth and safety of our homes. Unfortunately, we may unknowingly be sharing our living spaces with one of the deadliest predators around: the Giant House Spider.

Giant House Spiders, also known as Eratigena atrica, are native to Europe but have spread to many other parts of the world, including North America. They are called “giant” for a reason—their legs can span up to three inches, making them one of the largest spiders you’re likely to encounter in your home.

But it’s not just their size that makes Giant House Spiders a cause for concern. These arachnids are also venomous, using their fangs to inject toxins into their prey. While they are not considered a major threat to humans, their venom can cause pain, swelling, and other unpleasant symptoms. In rare cases, the bite of a Giant House Spider can lead to more serious complications.

So how can you protect yourself from these deadly predators? The first step is to be aware of their presence. Giant House Spiders are most active during the fall, when males are on the hunt for mates. They tend to prefer dark, damp areas like basements and crawl spaces, but can also be found in other parts of the home.

If you do spot a Giant House Spider, it’s best to avoid trying to handle it yourself. Instead, contact a pest control professional who can safely and effectively remove the spider from your home.

Prevention is also key in keeping Giant House Spiders at bay. Keep your home free of clutter and debris, which can provide hiding places for spiders. Seal up any cracks or gaps in your walls and windows to prevent spiders from entering your home. And keep your home well-ventilated and dry, as these spiders prefer moist environments.

While Giant House Spiders may be an unwelcome presence in your home, they are an important part of the ecosystem. They play a key role in controlling populations of other insects, which can be even more harmful to humans. With a little caution and prevention, you can coexist with these deadly predators in relative safety.