Giant house spider, Eratigena atrica, macro close up showing eye detail


The giant house spider, now with the scientific name Eratigena atrica, is one of the biggest spiders of Central and Northern Europe. It was previously placed in the genus Tegenaria, where in addition to Tegenaria atrica, it was also documented as Tegenaria duellica, Tegenaria gigantea and Tegenaria saeva, among others, all thought to be different species. It is now a member of the newly described genus Eratigena. The bite of this species does not pose a threat to humans or pets, and it is generally reluctant to bite, preferring to escape. The webs built by the giant house spider are flat and messy with a funnel at one end. They do not contain sticky threads. The spider lurks in the funnel until a small invertebrate happens to get trapped in the web, at which point the spider runs out and attacks it. They usually build their webs in corners (on both the floor and ceiling), between boxes in basements, behind cupboards, in attics, or any other area that is rarely disturbed by large animals, or humans. Often found near window openings.


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Photo credit: © Scenics & Science / Alamy / Afripics
License: Licensed
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Keywords: agatoxin, arachnid, atrica, close, detail, eratigena, eye, giant, hairy, house, macro, scary, showing, spider, venom, web