is indigenous to north western Europe. The webs built by the
are flat and messy with a funnel at one end. Like most spiders, the spider possesses quite a potent venom to subdue its prey, the which is not known to harm Humans.
A population of
Giant house spiders is popularly thought to be a deterrent to the establishment of Tegenaria agrestis, known in North America as the hobo spider, and Considered by some to be more Likely to Bite Humans.
Giant house spiders may Compete with hobo spiders for the same resources. Hobo spiders grow no more than a body size of 15 millimeters (0.59 in) long where as the larger female
giant house spider can have a body size of 18 millimeters (0.71 in), but has proportionately much longer legs.
Other authors suggested That T. gigantea was a Synonym of
T.saeva, but molecular evidence shows That these are distinct taxa, not Synonyms