The much slighter and harmless male is nearly half the size of a female ... Block access to you home as you would with American house spiders. Also, don't leave clothing and shoes on the floor.

They range in size from the relatively small Tegenaria domestica to the quite large Tegenaria parietina, which can reach a leg span of 120mm (5 inches) in the adult male. Their sheet ... In Britain, ...

There are nearly 3,000 spider species in North America alone, making identifying a common house spider difficult. Is it just a harmless little guy? Or a venomous predator waiting to pounce?