Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. House spiders of the genus Tegenaria are fast-running brownish funnel-web weavers that occupy much of the Northern Hemisphere except for Japan, Indonesia, Australia and New Zealand. Of all Agelenids, Tegenaria possesses the largest species of funnel weavers: the dust spider (T. atrica), the Cardinal spider (T. parietina) as well as the giant house spider (T. duellica) whose species' females reach 17, 18 and 20 mm ( , and in.) in body size respectively.