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A classic circular form spider's web Infographic illustrating the process of constructing an orb web. A spider web, spiderweb, spider's web, or cobweb (from the archaic word coppe, meaning 'spider') [1] is a structure created by a spider out of proteinaceous spider silk extruded from its spinnerets, generally meant to catch its prey.
While the world's biggest spiders are mygalomorphs – Theraphosa blondi has a body length of 10 cm (3.9 in) and a leg span of 28 cm (11 in) – some species are less than one millimeter (0.039 in) long. Mygalomorphs are capable of spinning at least slightly adhesive silk, and some build elaborate capture webs that approach a metre in diameter.
Coneweb spiders (Diguetidae) are six-eyed haplogyne spiders that live in tangled space webs, fashioning a cone-like central retreat where they hide and lay eggs.It is a small family, containing only two genera split between a range in the Southwestern United States and Mexico and a range in South America. [1]
A spider web preserved in amber, thought to be 110 million years old, shows evidence of a perfect "orb" web, the most famous, circular kind one thinks of when imagining spider webs. An examination of the drift of those genes thought to be used to produce the web-spinning behavior suggests that orb spinning was in an advanced state as many as ...
Deinopidae, also known as net casting spiders, is a family of cribellate [1] spiders first described by Carl Ludwig Koch in 1850. [2] It consists of stick-like elongated spiders that catch prey by stretching a web across their front legs before propelling themselves forward.
Masteria petrunkevitchi eye pattern. The family Dipluridae, known as curtain-web spiders (or confusingly as funnel-web tarantulas, a name shared with other distantly related families [2]) are a group of spiders in the infraorder Mygalomorphae, that have two pairs of booklungs, and chelicerae (fangs) that move up and down in a stabbing motion.
The Giant Japanese funnel-web spider, known formally as Macrothele gigas, is a species of funnel-web spider in the family Macrothelidae. [1] It is one of the largest funnel-web spiders in the world, and is highly venomous.
Argiope flavipalpis adult female An Argiope juvenile female spiders both same genus on the stabilimentum at the center of the web. A stabilimentum (plural: stabilimenta), also known as a web decoration, is a conspicuous silk structure included in the webs of some species of orb-web spider.