{"id":83547,"date":"2026-01-21T12:49:13","date_gmt":"2026-01-21T07:19:13","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=83547"},"modified":"2026-01-21T15:34:20","modified_gmt":"2026-01-21T10:04:20","slug":"darwins-bark-spider","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/darwins-bark-spider\/","title":{"rendered":"Darwin\u2019s Bark Spider"},"content":{"rendered":"<h2><b>Darwin\u2019s Bark Spider Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, scientists from institutions in China, Madagascar, Slovenia, and the US studied bark spiders (Caerostris darwini and Caerostris kuntneri) to understand the conditions in which they produce the tough silk.\u00a0<\/span><\/p>\n<h2><b>About Darwin\u2019s Bark Spider<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Darwin\u2019s Bark Spider <\/span><b>(Caerostris darwini) <\/b><span style=\"font-weight: 400;\">is a <\/span><b>remarkable arachnid famed<\/b><span style=\"font-weight: 400;\"> for producing the largest and toughest known webs in the animal kingdom.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It belongs to the <\/span><b>family Araneidae<\/b><span style=\"font-weight: 400;\">, or <\/span><b>orb-weaver spiders<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It was discovered in 2001 and formally described in 2009.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Habitat: <\/b><span style=\"font-weight: 400;\">It inhabits <\/span><b>riverine forests and wetlands<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Distribution:<\/b><span style=\"font-weight: 400;\"> It is found in the forests of Madagascar.<\/span><\/li>\n<\/ul>\n<h2><b>Appearance of Darwin\u2019s Bark Spiders<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These are <\/span><b>medium-sized,<\/b><span style=\"font-weight: 400;\"> with females reaching about 0.8\u20131 inch (2\u20132.5 cm) in body length, while <\/span><b>males are significantly smaller.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are typically dark brown with mottled patterns, which helps them blend into tree bark.<\/span><\/li>\n<\/ul>\n<h2><b>Characteristics of Darwin\u2019s Bark Spiders<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It weaves silk that <\/span><b>outperforms steel and most human-made fibres<\/b><span style=\"font-weight: 400;\"> in both strength and toughness.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Their silk is more than twice as tough as any other spider silk studied.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Web-Building Ability:<\/b><span style=\"font-weight: 400;\"> Darwin\u2019s bark spiders construct orb webs that can span rivers and streams, with diameters up to 82 ft (25 m).\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lifespan:<\/b><span style=\"font-weight: 400;\"> They have <\/span><b>relatively short lifespans<\/b><span style=\"font-weight: 400;\">, typical of orb-weaving spiders, with <\/span><b>females living longer than males.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Unique Habitat:<\/b><span style=\"font-weight: 400;\"> Unlike most orb-weavers, it <\/span><b>builds webs over open water rather<\/b><span style=\"font-weight: 400;\"> than in vegetation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ecological Role of<\/b> <b>Darwin\u2019s Bark Spiders<\/b><span style=\"font-weight: 400;\">: They play an important role in controlling <\/span><b>insect populations<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/why-only-female-darwins-bark-spiders-weave-the-toughest-webs\/article70528479.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Darwin\u2019s Bark Spider is a remarkable arachnid famed for producing the largest and toughest known webs in the animal kingdom. Read more about Darwin\u2019s Bark Spider, Habitat, Appearance, Characteristics, Latest News.<\/p>\n","protected":false},"author":24,"featured_media":83558,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[4857,21,22,23],"class_list":{"0":"post-83547","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-darwins-bark-spider","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/83547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=83547"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/83547\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/83558"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=83547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=83547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=83547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}