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Darwin's bark spider (Caerostris darwini) is an orb-weaver spider that produces the largest known orb webs, ranging from 900 to 28,000 square centimetres (140 to 4,340 sq in), [2] [3] with bridge lines spanning up to 25 metres (82 ft). The spider was discovered in Madagascar in the Andasibe-Mantadia National Park in 2009. [4]
The size of webs can vary significantly. Some species build sheet webs with mainsheets of up to one square metre, [4] while some species (e.g. Cambridgea quadromaculata) do not build webs at all. [12] Those Cambridgea that do build webs run along the underside of the mainsheet rather than along the top as some sheet-web spiders do (e.g ...
Segestria florentina is the largest European segestriid spider. Some vernacular names are green-fanged tube web spider [1] ... Infestation of buildings is possible if ...
N. komaci females are the largest Nephila yet discovered. Displaying sexual size dimorphism commonly observed in various species of spiders, the size of a male reaches a leg span of only about 2.5 centimetres, with a body length of about 9 mm, [3] roughly one fifth of that of a female. [2]
The building of a web is an engineering feat, begun when the spider floats a line on the wind to another surface. The spider secures the line and then drops another line from the center, making a "Y". The rest of the scaffolding follows with many radii of nonsticky silk being constructed before a final spiral of sticky capture silk.
The giant house spider has been treated as either one species, under the name Eratigena atrica, or as three species, E. atrica, E. duellica and E. saeva. As of April 2020, the three species view was accepted by the World Spider Catalog. They are among the largest spiders of Central and Northern Europe.
Macrothele calpeiana, commonly known as the Gibraltar funnel-web spider or Spanish funnel-web spider, is one of the largest spiders in Europe. Macrothele calpeiana is the only spider species protected under European Union legislation. [1] The satin black colour and long, flexible spinnerets are characteristic of this
The webs are rebuilt every day, often in the same location. [5] The rearrangement of the positions of spiders within the web, specifically as the young spiders on the periphery mature, adds a dynamic nature to the orb webs of M. incrassata. Web sizes typically increase with the spider size, and larger webs take a greater amount of time to build ...