What types of spiders are commonly found in UK homes?

Common Types of Spiders Found in UK Homes

In the UK, it is not uncommon to encounter spiders within the home. These often harmless arachnids can vary in size and appearance but play a crucial role in controlling other pest populations. Understanding which spiders are most commonly found indoors can help alleviate concerns and foster a greater appreciation for these fascinating creatures.

House Spider (Tegenaria domestica)

The common house spider in the UK, Tegenaria domestica, is well adapted to living indoors and can often be found in corners, under furniture, and in basements. These spiders are typically brown with distinctive markings and relatively large, with a body length ranging from 6 to 12 mm. They are known for their funnel-shaped webs, which they use to trap insects.

Cellar Spider (Pholcus phalangioides)

Also known as daddy long-legs spiders, cellar spiders have distinctive long, thin legs and small bodies. They are usually found in dark, damp areas like cellars or basements, hence their name. Cellar spiders are generally harmless to humans and useful in controlling the population of other insects and spiders.

False Widow Spider (Steatoda nobilis)

The false widow spider, Steatoda nobilis, has garnered much attention in the UK due to its resemblance to the more dangerous black widow spider. While its bite can be painful, it is usually not serious. These spiders are characterized by a dark brown color with a bulbous abdomen, sometimes marked with cream-colored patterns. They typically inhabit warm and dry locations within houses.

Garden Spider (Araneus diadematus)

While primarily outdoor spiders, garden spiders can occasionally be found indoors. Recognizable by their distinctive white, cross-like markings on their abdomen, these spiders mainly reside in gardens, building orb webs to catch prey. When found inside, they are usually near windows or patios, having wandered in inadvertently.

Lace-Webbed Spider (Amaurobius similis)

The lace-webbed spider is another common UK household species. They are medium-sized, with dark brown bodies and lighter brown legs. These spiders often inhabit cracks in walls and window frames, especially in older buildings. Their sheet-like webs are distinctive, often draped over surfaces where they catch their prey.

Money Spider (Linyphiidae family)

Money spiders are a group of very small, often black or dark-colored spiders belonging to the Linyphiidae family. They are commonly found indoors and are considered beneficial as they eat various small insects. Money spiders are regarded as omens of good fortune, hence their name.

Conclusion

Despite their sometimes intimidating presence, spiders are vital to the ecosystem of a home, controlling insect populations and creating a balanced environment. Identifying and understanding common household spiders can help reduce fear and encourage coexistence with these important arachnids.