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The first description of a spider now assigned to this species was by Carl Ludwig Koch in 1843, under the name Tegenaria atrica. Other supposedly different species were described later, including Tegenaria saeva by John Blackwall in 1844, Tegenaria duellica by Eugène Simon in 1875 and Tegenaria gigantea by Ralph Vary Chamberlin and Wilton Ivie ...
Eratigena duellica, the giant house spider, is a species of funnel weaver in the spider family Agelenidae. Originally from Europe, it is also found in British Columbia, Canada, as well as Washington and Oregon in the United States. [1] [2] [3] The related species Eratigena atrica is also called the giant house spider.
Tegenaria is a genus of fast-running funnel weavers that occupy much of the Northern Hemisphere except for Japan and Indonesia. It was first described by Pierre André Latreille in 1804, [ 2 ] though many of its species have been moved elsewhere.
The males are generally too small to be dangerous. Widows tend to be non-aggressive. Some species, especially those in North America, have no spot on their backs, with the hourglass becoming visible only when the spider hangs upside-down, and can thus be mistaken for their less dangerous cousins, which is especially true in males.
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Tegenaria osellai Brignoli, 1971 Tegenaria trinacriae Brignoli, 1971 The hobo spider ( Eratigena agrestis , formerly Tegenaria agrestis ) is a member of the family of spiders known colloquially as funnel web spiders , but not to be confused with the Australian funnel-web spider .
Eratigena is a genus of spider in the family Agelenidae.Most of its species were moved from the genus Tegenaria in 2013, of which the genus name is an anagram. [2] Two species that frequently build webs in and around human dwellings are now placed in this genus: the hobo spider (Eratigena agrestis), native to Europe and Central Asia and introduced to North America, and the giant house spider ...
The web of a funnel-web spider Tegenaria duellica. Many spiders, but not all, build webs. Other spiders use a wide variety of methods to capture prey. Web: There are several recognised types of spider web. Spiral orb webs, associated primarily with the family Araneidae; Tangle webs or cobwebs, associated with the family Theridiidae; Funnel webs,