When Do Spiders Start Entering UK Households?

In the UK, the onset of autumn marks the beginning of what is colloquially known as “spider season.” This period typically starts in early September and lasts until mid-October. During this time, spiders become more visible in homes as they seek warmer and drier environments due to the cooling weather.

Why Do Spiders Enter Homes?

Spiders enter homes primarily for two reasons:

1. Mating Season: Autumn coincides with the mating season for many spider species. Male spiders become more active as they search for mates, which often leads them indoors

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• Shelter and Warmth: As temperatures drop, spiders look for sheltered environments to escape the cold. Homes provide an ideal setting, offering warmth and protection from the elements

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Common Spiders Found in UK Homes

Several species of spiders are commonly found in UK households during this time:

• Giant House Spider (Eratigena atrica): Known for its speed and size, this spider is often seen in homes during the autumn months
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• False Widow Spider (Steatoda spp.): These spiders are notable for their distinctive appearance and are often found in homes during the mating season
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• Common House Spider: A frequent visitor in UK homes, especially during the cooler months

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Preventing Spider Entry

To minimize the presence of spiders in your home during spider season, consider the following preventive measures:

• Seal Entry Points: Spiders can enter through small gaps around windows, doors, and other openings. Sealing these entry points can help keep them out
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• Reduce Clutter: Spiders are attracted to cluttered areas where they can easily hide. Keeping your home tidy can reduce their hiding spots
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• Use Natural Repellents: Strong scents such as peppermint, citrus, and eucalyptus oils can deter spiders. Spraying these around entry points can be effective
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• Control Lighting: Spiders are attracted to areas where their prey, such as insects, gather. Reducing outdoor lighting can help minimize insect activity and, consequently, spider presence

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Conclusion

Spider season in the UK is a natural occurrence as these arachnids seek mates and warmer habitats. While their presence can be unsettling for some, understanding their behavior and implementing preventive measures can help keep them at bay. If spider infestations become a significant issue, consulting a pest control professional may be necessary.