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- Darwins_bark_spider abstract "Darwin's bark spider (Caerostris darwini) is an orb-weaver spider that produces one of the largest known orb webs, web size ranged from 900–28000 square centimeters,with anchor lines spanning up to 25 metres (82 ft). The spider was discovered in Madagascar in the Andasibe-Mantadia National Park in 2009. The species was named in honour of the naturalist Charles Darwin, with the description being prepared precisely 150 years after the publication of The Origin of Species, on 24 November 2009.Its silk is the toughest biological material ever studied, over ten times tougher than a similarly-sized piece of Kevlar. The average toughness of the fibres is 350 MJ/m3, and some are up to 520 MJ/m3, making the silk twice as tough as any other spider silk known.The web of Darwin's bark spider is remarkable in that it is not only the longest spanning web ever observed, but is among the largest orb webs ever seen, at an area of up to 2.8 square metres (30 sq ft). Nephila komaci, discovered in 2009, and some other Nephila species also make webs that can exceed 1 m (3 ft 3 in) across.According to professor Ingi Agnarsson, director of the Museum of Zoology at the University of Puerto Rico, the spider's web occupies a unique biological niche: \"They build their web with the orb suspended directly above a river or the water body of a lake, a habitat that no other spider can use\". This position allows the spiders to catch prey flying over the water, with webs observed containing up to 32 mayflies at a time. The strong silk and large web are thought to have coevolved at the same time, as the spider adapted to the habitat. Caerostris darwini uses a unique set of behaviors, some unknown in other spiders, to construct its enormous webs. First, the spiders release unusually large amounts of bridging silk into the air, which is then carried downwind, across the water body, establishing bridge lines. Second, the spiders perform almost no web site exploration. Third, they construct the orb capture area below the initial bridge line. In contrast to all known orb-weavers, the web hub is therefore not part of the initial bridge line but is instead built de novo (\"from the beginning\"). Fourth, the orb contains two types of radial threads, with those in the upper half of the web doubled. These unique behaviors result in a giant, yet rather simplified web. There is building evidence for the coevolution of behavioral (web building), ecological (web microhabitat) and biomaterial (silk biomechanics) traits that combined allow C. darwini to occupy a unique niche among spiders.\"Like other spiders of the genus, Darwin's bark spider displays extreme sexual dimorphism, with large females and small males, although neither have been measured larger than 2 cm.The spider was described along with a previously undescribed species of fly, which appeared to have a kleptoparasitic relationship with it. The flies often feed on the spider's catches before the spider wraps them. Occasionally, spiders have been observed to chase away the flies when they land on something that the spider is eating.".
- Darwins_bark_spider class Arachnid.
- Darwins_bark_spider family Orb-weaver_spider.
- Darwins_bark_spider genus Caerostris.
- Darwins_bark_spider kingdom Animal.
- Darwins_bark_spider order Spider.
- Darwins_bark_spider phylum Arthropod.
- Darwins_bark_spider thumbnail Caerostris_darwini_web.png?width=300.
- Darwins_bark_spider wikiPageID "28854206".
- Darwins_bark_spider wikiPageLength "6245".
- Darwins_bark_spider wikiPageOutDegree "28".
- Darwins_bark_spider wikiPageRevisionID "683538068".
- Darwins_bark_spider wikiPageWikiLink Andasibe-Mantadia_National_Park.
- Darwins_bark_spider wikiPageWikiLink Animal.
- Darwins_bark_spider wikiPageWikiLink Arachnid.
- Darwins_bark_spider wikiPageWikiLink Arthropod.
- Darwins_bark_spider wikiPageWikiLink Biomaterial.
- Darwins_bark_spider wikiPageWikiLink Caerostris.
- Darwins_bark_spider wikiPageWikiLink Category:Animals_described_in_2010.
- Darwins_bark_spider wikiPageWikiLink Category:Caerostris.
- Darwins_bark_spider wikiPageWikiLink Category:Endemic_fauna_of_Madagascar.
- Darwins_bark_spider wikiPageWikiLink Category:Spiders_of_Africa.
- Darwins_bark_spider wikiPageWikiLink Charles_Darwin.
- Darwins_bark_spider wikiPageWikiLink Coevolution.
- Darwins_bark_spider wikiPageWikiLink Kevlar.
- Darwins_bark_spider wikiPageWikiLink Kleptoparasitism.
- Darwins_bark_spider wikiPageWikiLink Madagascar.
- Darwins_bark_spider wikiPageWikiLink Mayfly.
- Darwins_bark_spider wikiPageWikiLink Nephila_komaci.
- Darwins_bark_spider wikiPageWikiLink On_the_Origin_of_Species.
- Darwins_bark_spider wikiPageWikiLink Orb-weaver_spider.
- Darwins_bark_spider wikiPageWikiLink Sexual_dimorphism.
- Darwins_bark_spider wikiPageWikiLink Spider.
- Darwins_bark_spider wikiPageWikiLink Toughness.
- Darwins_bark_spider wikiPageWikiLink University_of_Puerto_Rico.
- Darwins_bark_spider wikiPageWikiLink File:3345_Bark_Spider_Exo.JPG.
- Darwins_bark_spider wikiPageWikiLink File:Bark_Spider_2011.jpg.
- Darwins_bark_spider wikiPageWikiLink File:Caerostris_darwini_web_span.png.
- Darwins_bark_spider wikiPageWikiLinkText "Darwin's bark spider".
- Darwins_bark_spider wikiPageWikiLinkText "darwini".
- Darwins_bark_spider binomial "Caerostris darwini".
- Darwins_bark_spider binomialAuthority "Kuntner & Agnarsson, 2010".
- Darwins_bark_spider classis "Arachnida".
- Darwins_bark_spider familia Orb-weaver_spider.
- Darwins_bark_spider genus "Caerostris".
- Darwins_bark_spider imageCaption "A web of Darwin's bark spider".
- Darwins_bark_spider name "Darwin's bark spider".
- Darwins_bark_spider ordo Spider.
- Darwins_bark_spider phylum "Arthropoda".
- Darwins_bark_spider regnum "Animalia".
- Darwins_bark_spider species "C. darwini".
- Darwins_bark_spider wikiPageUsesTemplate Template:Convert.
- Darwins_bark_spider wikiPageUsesTemplate Template:Portal.
- Darwins_bark_spider wikiPageUsesTemplate Template:Reflist.
- Darwins_bark_spider wikiPageUsesTemplate Template:Taxobox.
- Darwins_bark_spider wikiPageUsesTemplate Template:Wikispecies-inline.
- Darwins_bark_spider subject Category:Animals_described_in_2010.
- Darwins_bark_spider subject Category:Caerostris.
- Darwins_bark_spider subject Category:Endemic_fauna_of_Madagascar.
- Darwins_bark_spider subject Category:Spiders_of_Africa.
- Darwins_bark_spider hypernym Spider.
- Darwins_bark_spider type Animal.
- Darwins_bark_spider type Arachnid.
- Darwins_bark_spider type Eukaryote.
- Darwins_bark_spider type Species.
- Darwins_bark_spider type Invertebrate.
- Darwins_bark_spider type Thing.
- Darwins_bark_spider type Q19088.
- Darwins_bark_spider type Q729.
- Darwins_bark_spider comment "Darwin's bark spider (Caerostris darwini) is an orb-weaver spider that produces one of the largest known orb webs, web size ranged from 900–28000 square centimeters,with anchor lines spanning up to 25 metres (82 ft). The spider was discovered in Madagascar in the Andasibe-Mantadia National Park in 2009.".
- Darwins_bark_spider label "Darwin's bark spider".
- Darwins_bark_spider sameAs Q285304.
- Darwins_bark_spider sameAs Дървесен_паяк_на_Дарвин.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs عنکبوت_درختی_داروین.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs ダーウィンズ・バーク・スパイダー.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs Darwins_barkedderkopp.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs m.0ddbh2m.
- Darwins_bark_spider sameAs Паук_Дарвина.
- Darwins_bark_spider sameAs இடார்வினின்_மரப்பட்டைச்_சிலந்தி.
- Darwins_bark_spider sameAs Caerostris_darwini.
- Darwins_bark_spider sameAs Q285304.
- Darwins_bark_spider sameAs 達爾文樹皮蛛.
- Darwins_bark_spider wasDerivedFrom Darwins_bark_spider?oldid=683538068.
- Darwins_bark_spider depiction Caerostris_darwini_web.png.
- Darwins_bark_spider isPrimaryTopicOf Darwins_bark_spider.
- Darwins_bark_spider name "Darwin's bark spider".