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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.
[52] [53] This study was cited by numerous other papers and led to the widespread belief that yellow sac spiders (Cheiracanthium sp.) are dangerous to humans. [53] New analyses of numerous verified bites demonstrate no skin lesions but some local pain and redness. [54] [55]
The most notable of all dangerous living beings are humans. We as a collective have killed more of us than any other species so far. Humans have killed over 1 billion and have displaced even more ...
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While roughly 3,000 species of spiders are found throughout the U.S., very few pose a direct threat to humans. Spider bites are rare, and medically significant incidents are even less common ...
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 ...
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.