Male Spiders With 10cm Leg Spans Are Heading Indoors This Month, Here’s How To Save Yourself

Now we cannot confirm this, but someone really needs to look into whether the marketing team behind Spider-Man: A New Day has struck some kind of unholy deal with Mother Nature, because the timing of the UK’s annual spider invasion is frankly suspicious. And if not the timing, at least about the magnitude of it this year.

Every September, right on cue, thousands of tennis ball-sized spiders abandon whatever they were doing outside and march directly into British homes in search of a mate. Ten centimeters across the leg span. The size of a tennis ball. In your house. Looking for love. And according to experts, this year is no different, so here is everything you need to know to survive the next six weeks with your sanity intact.

Tennis ball-sized spiders are looking for love inside UK households in September

Brianna Lengacher / Unsplash (not the actual photo)

These spiders are regular visitors in September, but it seems this year there are more and they are bigger

Every September, male spiders across the UK do something deeply inconvenient. They leave their outdoor habitats and head indoors in search of a female mate. The females, for their part, stay completely stationary and wait (same girl…). The mating season runs from September through to mid-October, meaning there are approximately six weeks of peak spider activity to get through before things calm down.

Ecologist Professor Adam Hart, who has actually studied spider season by asking members of the public to record their sightings, offers some comfort: “By around mid-October sightings were unusual, so if you aren’t a spider fan don’t worry, spider season doesn’t last forever.” Cold comfort, perhaps, when there is a tennis ball-sized spider behind your sofa. But comfort nonetheless.

Darko Nesic / Unsplash (not the actual photo)

But experts remind us that they are an important part of the ecosystem

The good news is that while most UK spiders are technically capable of biting, they are almost universally harmless. The bad news is that they are still very much spiders, they are very much the size of tennis balls, and they are very much heading into your home whether you like it or not.

Professor Hart also urges people not to end their lives, noting that “spiders are incredibly important in the wider ecosystem.” This is a fact that is much easier to appreciate when the spider in question is not sitting on your bathroom floor at 7 am making eye contact with you.

Josue Michel / Unsplash (not the actual photo)

There are a few simple hacks you can implement to keep them at bay

There are several things you can do to make your home less appealing to an amorous spider on the hunt.

Declutter: Spiders love dark, cluttered spaces. Think overstuffed cupboards, piles of boxes, and any corner of your home that has not been touched since 2019. A quick tidy could significantly reduce your chances of finding an eight-legged lodger.

Open your curtains: Spiders hate light. Natural light streaming through your windows is one of the simplest deterrents available and costs absolutely nothing. This is also just generally good advice for human wellbeing, so consider this a two-for-one.

Seal any cracks: Spiders are remarkably good at squeezing through tiny gaps. Door frames, window edges, cracks in floors and ceilings. A quick sweep of your home for entry points and a bit of sealant could make a significant difference.

Orange peels on the windowsill: Yes, really. According to Professor Hart, citrus scents are genuinely effective at deterring spiders and other insects. Lemon and lime work just as well. So the next time someone judges you for leaving fruit on the windowsill, you can tell them it is a carefully considered pest management strategy. Because it is.

Rendy Novantino / Unsplash (not the actual photo)

Always make an effort to catch and release them rather than end them

If a spider does make it past your citrus defenses, the recommendation from experts is to catch and release rather than reaching for a shoe. A spider catcher will come in super handy. It is essentially a long-handled grabby thing with soft bristles at the front that will ensure your and the spider’s safety. The spider gets to continue its romantic quest. You get to keep your heart rate below 200. Everyone wins. Except possibly the female spider, who is still just sitting there waiting.

Elly M / Unsplash (not the actual photo)

They are harmless, and won’t do much more than give you a fright

The spider most commonly responsible for the annual UK invasion is the Giant House Spider — scientific name Eratigena atrica — and it is, by British standards, enormous. With a leg span of up to 10cm, it holds the record for one of the fastest spiders in the UK, capable of running at speeds of up to half a meter per second in short bursts. Which is information nobody asked for but everyone now has to live with.

The Giant House Spider is actually a permanent resident of the UK rather than a seasonal visitor — they live in our homes year-round, largely undetected, hiding in corners, under furniture and behind appliances. September simply brings the males out into the open as they go looking for females, which is why sightings spike so dramatically during this period.

Ana T. / Unsplash (not the actual photo)

They are distinguished by their dark brown coloring, their thick hairy legs, and their distinctly purposeful way of moving across a floor that suggests they know exactly where they are going and have absolutely no interest in your feelings about it. They build flat, sheet-like webs rather than the classic circular kind, often found in the corners of rooms or behind furniture.

And despite their intimidating size, they are completely harmless to humans. Their fangs are not strong enough to pierce human skin in most cases. Cold comfort when one is sprinting across your living room floor at half a meter per second, but scientifically accurate nonetheless.

Don’t believe us? See what John Edwards has to say about the Spider-pocolypse

@jredwardsartukIf you’re scared of spiders, stay vigilant this autumn♬ original sound – jredwardsartuk

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