Sightings of house spiders are increasing across the United Kingdom as summer concludes and temperatures begin to drop. Experts attribute this rise not to spiders seeking warmth, but to the onset of autumn, which is the peak mating season for many common species.
During this period, mature male spiders leave their established territories to search for females. This increased movement, coupled with homeowners leaving doors and windows open during the last warmer days, makes the spiders more noticeable indoors. According to window experts at SolarFrame, a single female house spider can lay an egg sac containing approximately 70 offspring, raising the potential for more spiders to establish themselves within living spaces.
While the presence of spiders can be unsettling for some, experts from Fluid Glass suggest several methods to make homes less appealing to arachnids. Contrary to popular belief, spiders are not primarily attracted to the warmth of a home. Instead, they are drawn to a readily available food source. A house with a significant insect population, such as flies and moths, provides an abundant food supply for spiders.
To reduce insect populations, experts advise against leaving fruit uncovered, allowing food waste to accumulate, or neglecting to empty recycling bins regularly. These conditions can attract the insects that spiders prey upon.
Preventing Spider Entry
Homeowners can take proactive steps to minimize spider intrusion. Closing windows, particularly after 8 p.m. as dusk settles, can eliminate one of the easiest entry points. While not a complete solution, it reduces opportunities for spiders to enter.
Making homes less hospitable also involves disrupting potential spider habitats. Moving furniture away from walls during cleaning can help dislodge existing webs and egg sacs, making a space less likely to become a long-term dwelling for spiders. Addressing clutter in areas like garages, attics, and utility rooms can also remove hiding spots.
External factors can also contribute to spiders finding their way indoors. Overgrown plants, dense shrubbery near doors and windows, and stored firewood against the house can create natural pathways and attract insects that spiders feed on. Trimming back plants from exterior walls and clearing garden debris can establish a more effective barrier.
Damp areas within the home, such as bathrooms, kitchens, and utility rooms, can become hotspots for spiders. These environments are often humid and attract other insects. Improving ventilation, using extractor fans after showering, and promptly fixing leaks can make these spaces less inviting.
Finally, outdoor lighting can inadvertently attract spiders. Bright lights near entrances are a beacon for moths and other flying insects, which in turn attract spiders. Switching to warmer, dimmer bulbs, installing motion sensors, or repositioning lights away from doors and windows can help prevent insects, and consequently spiders, from congregating at entry points.IMAGE1: Despite the common belief that spiders suddenly move indoors to escape the cold, experts revealed that autumn is peak mating season for many of the UK’s most common house spiders. Pictured: A house spider in Yorkshire