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Dublin

27th May 2025

Spider Season Has Come Early

Shamim de Brún

Dublin residents are reporting an early start to spider season this year, with sightings of house spiders increasing in homes and gardens across the city.

Spider season (when male spiders venture indoors seeking mates) used to begin in September, then it crept back to August. Now however, recent weather patterns may have accelerated this timeline... again.

The sunshine followed by the wet weather we’re getting now could in theory trigger a premature mating season. It has in the past. Hense why houses are getting cluttered with spiders far earlier than ususal.

The common house spider, Tegenaria gigantea, is among the species making appearances in Dublin homes. While their size can be startling, these spiders are harmless to humans and play a role in controlling insect populations.

For those looking to deter spiders, several methods have proven effective. Regular cleaning, especially vacuuming and dusting, can remove webs and egg sacs. Spiders are also known to dislike strong scents; peppermint oil, for instance, can be used as a natural repellent. Sealing cracks and gaps in walls, windows, and doors can prevent spiders from entering homes.

As spider season continues, residents are encouraged to remain calm and take preventive measures if necessary. Remember, these arachnids are more interested in finding a mate than causing harm.

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